/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var BackgroundManager = Container.expand(function () {
	var self = Container.call(this);
	var bg = self.attachAsset('background00', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	return self;
});
var ComboText = Container.expand(function () {
	var self = Container.call(this);
	self.textObj = new Text2('', {
		size: 80,
		fill: 0xFFFFFF,
		dropShadow: true
	});
	self.textObj.anchor.set(0.5, 0);
	self.addChild(self.textObj);
	self.setText = function (txt) {
		self.textObj.setText(txt);
		tween.stop(self.textObj, {
			scaleX: true,
			scaleY: true,
			alpha: true
		});
		if (txt && txt.length > 0) {
			self.textObj.alpha = 1;
			self.textObj.scaleX = 1.0;
			self.textObj.scaleY = 1.0;
			tween(self.textObj, {
				scaleX: 1.25,
				scaleY: 1.25
			}, {
				duration: 80,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					tween(self.textObj, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 120,
						easing: tween.cubicIn
					});
				}
			});
		} else {
			tween(self.textObj, {
				alpha: 0
			}, {
				duration: 180
			});
		}
	};
	return self;
});
var MenuButton = Container.expand(function () {
	var self = Container.call(this);
	var icon = self.attachAsset('menuIcon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		tween(self, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 100,
			easing: tween.cubicOut
		});
	};
	self.up = function (x, y, obj) {
		tween(self, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				LK.stopMusic();
				gameActive = false;
				if (noteManager) {
					noteManager.reset();
				}
				if (scoreTxt) {
					scoreTxt.visible = false;
				}
				if (comboTxt) {
					comboTxt.setText('');
				}
				if (laneHighlights) {
					for (var i = 0; i < laneHighlights.length; i++) {
						laneHighlights[i].visible = false;
					}
				}
				if (targets) {
					for (var i = 0; i < targets.length; i++) {
						targets[i].visible = false;
					}
				}
				if (restartBtn) {
					restartBtn.visible = false;
				}
				self.visible = false;
				if (menuManager) {
					menuManager.show();
				}
			}
		});
	};
	return self;
});
var MenuManager = Container.expand(function () {
	var self = Container.call(this);
	self.menuTiles = [];
	self.scrollContainer = new Container();
	self.addChild(self.scrollContainer);
	self.scrollY = 0;
	self.targetScrollY = 0;
	self.lastTouchY = 0;
	self.isDragging = false;
	self.dragVelocity = 0;
	self.lastDragTime = 0;
	self.minScrollY = 0;
	self.maxScrollY = 0;
	self.dragStartY = 0;
	self.dragDistance = 0;
	self.dragThreshold = 10;
	self.createMenuTiles = function (songs) {
		for (var i = 0; i < self.menuTiles.length; i++) {
			self.menuTiles[i].destroy();
		}
		self.menuTiles = [];
		var tileHeight = 300;
		var tileSpacing = 260;
		var startY = 500;
		for (var i = 0; i < songs.length; i++) {
			var tile = new MenuTile();
			tile.x = 2048 / 2;
			tile.y = startY + i * (tileHeight + tileSpacing);
			tile.setText(songs[i].name);
			tile.songIndex = i;
			tile.down = function () {
				var index = this.songIndex;
				self.dragDistance = 0;
				if (Math.abs(self.dragVelocity) < 5) {
					tween(this, {
						scaleX: 0.95,
						scaleY: 0.95
					}, {
						duration: 100,
						easing: tween.cubicOut
					});
				}
			};
			tile.up = function () {
				var index = this.songIndex;
				if (self.dragDistance < self.dragThreshold && Math.abs(self.dragVelocity) < 5) {
					LK.getSound('click').play();
					tween(this, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 100,
						easing: tween.cubicIn,
						onFinish: function onFinish() {
							if (self.onSongSelected) {
								self.onSongSelected(index);
							}
						}
					});
				} else {
					tween(this, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 100,
						easing: tween.cubicIn
					});
				}
			};
			self.scrollContainer.addChild(tile);
			self.menuTiles.push(tile);
		}
		var lastTileY = startY + (songs.length - 1) * (tileHeight + tileSpacing);
		self.maxScrollY = 0;
		self.minScrollY = Math.min(0, 2732 - lastTileY - 400);
	};
	self.down = function (x, y, obj) {
		self.isDragging = true;
		self.lastTouchY = y;
		self.dragStartY = y;
		self.dragDistance = 0;
		self.dragVelocity = 0;
		self.lastDragTime = Date.now();
		tween.stop(self, {
			targetScrollY: true
		});
	};
	self.move = function (x, y, obj) {
		if (!self.isDragging) {
			return;
		}
		var deltaY = y - self.lastTouchY;
		self.targetScrollY += deltaY;
		self.dragDistance = Math.abs(y - self.dragStartY);
		if (self.targetScrollY > self.maxScrollY) {
			self.targetScrollY = self.maxScrollY + (self.targetScrollY - self.maxScrollY) * 0.3;
		} else if (self.targetScrollY < self.minScrollY) {
			self.targetScrollY = self.minScrollY + (self.targetScrollY - self.minScrollY) * 0.3;
		}
		var now = Date.now();
		var deltaTime = now - self.lastDragTime;
		if (deltaTime > 0) {
			self.dragVelocity = deltaY / deltaTime * 16;
		}
		self.lastTouchY = y;
		self.lastDragTime = now;
	};
	self.up = function (x, y, obj) {
		self.isDragging = false;
		if (Math.abs(self.dragVelocity) > 2) {
			var momentum = self.dragVelocity * 20;
			var newTarget = self.targetScrollY + momentum;
			newTarget = Math.max(self.minScrollY, Math.min(self.maxScrollY, newTarget));
			tween(self, {
				targetScrollY: newTarget
			}, {
				duration: 800,
				easing: tween.cubicOut
			});
		} else {
			if (self.targetScrollY > self.maxScrollY) {
				tween(self, {
					targetScrollY: self.maxScrollY
				}, {
					duration: 300,
					easing: tween.cubicOut
				});
			} else if (self.targetScrollY < self.minScrollY) {
				tween(self, {
					targetScrollY: self.minScrollY
				}, {
					duration: 300,
					easing: tween.cubicOut
				});
			}
		}
		self.dragVelocity = 0;
	};
	self.update = function () {
		self.scrollY += (self.targetScrollY - self.scrollY) * 0.2;
		self.scrollContainer.y = self.scrollY;
		if (!self.isDragging) {
			self.dragVelocity *= 0.95;
		}
	};
	self.onSongSelected = null;
	self.show = function () {
		self.visible = true;
		self.alpha = 0;
		self.scrollY = 0;
		self.targetScrollY = 0;
		self.scrollContainer.y = 0;
		tween(self, {
			alpha: 1
		}, {
			duration: 300,
			easing: tween.cubicOut
		});
		for (var i = 0; i < self.menuTiles.length; i++) {
			(function (tile, delay) {
				tile.scaleX = 0.8;
				tile.scaleY = 0.8;
				tile.alpha = 0;
				LK.setTimeout(function () {
					LK.getSound('menuSpawn').play();
				}, delay);
				tween(tile, {
					scaleX: 1,
					scaleY: 1,
					alpha: 1
				}, {
					duration: 400,
					delay: delay,
					easing: tween.cubicOut,
					onFinish: function onFinish() {}
				});
			})(self.menuTiles[i], i * 100);
		}
	};
	self.hide = function () {
		tween(self, {
			alpha: 0
		}, {
			duration: 300,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				self.visible = false;
			}
		});
	};
	return self;
});
var MenuTile = Container.expand(function () {
	var self = Container.call(this);
	self.tileImg = self.attachAsset('menuTile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.textObj = new Text2('', {
		size: 100,
		fill: 0x222222,
		dropShadow: true
	});
	self.textObj.anchor.set(0, 0.5);
	self.textObj.x = -self.tileImg.width / 2 + 100;
	self.textObj.y = 0;
	self.addChild(self.textObj);
	self.playBtn = self.attachAsset('playButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: self.tileImg.width / 2 - 150,
		y: 0
	});
	self.setText = function (txt) {
		self.textObj.setText(txt);
	};
	return self;
});
var Note = Container.expand(function () {
	var self = Container.call(this);
	self.noteBall = self.attachAsset('noteDot', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.6
	});
	self.noteSign = self.attachAsset('noteSign', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = 0;
	self.hitTime = 0;
	self.tapped = false;
	self.missed = false;
	self.showTapFeedback = function () {
		var feedback = self.attachAsset('tapFeedback', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.5
		});
		var sparkles = new Sparkles();
		sparkles.x = self.x;
		sparkles.y = self.y;
		if (self.parent) {
			self.parent.addChild(sparkles);
		}
		self.noteSign.scaleX = 1;
		self.noteSign.scaleY = 1;
		tween(self.noteSign, {
			scaleX: 3,
			scaleY: 3
		}, {
			duration: 120,
			easing: tween.cubicOut,
			onFinish: function onFinish() {}
		});
		tween(feedback, {
			alpha: 0
		}, {
			duration: 250,
			onFinish: function onFinish() {
				feedback.destroy();
			}
		});
	};
	self.update = function () {
		if (!gameActive) {
			return;
		}
		var now = Date.now();
		var songElapsed = now - songStartTime;
		var adjustedTravelTime = noteTravelTime * speedMultiplier;
		var t = (songElapsed - (self.hitTime - adjustedTravelTime)) / adjustedTravelTime;
		self.y = noteStartY + (hitLineY - noteStartY) * t + (t > 1 ? (t - 1) * (2732 - hitLineY) : 0);
		if (!self.tapped && !self.missed && songElapsed > self.hitTime + 220) {
			self.missed = true;
			self.alpha = 0.3;
			combo = 0;
			failedNotes++;
			comboTxt.tint = 0xff2222;
			comboTxt.setText('Missed!');
			tween.stop(comboTxt, {
				scaleX: true,
				scaleY: true,
				alpha: true
			});
			comboTxt.scaleX = 1.0;
			comboTxt.scaleY = 1.0;
			comboTxt.alpha = 1.0;
			tween(comboTxt, {
				scaleX: 2.0,
				scaleY: 2.0,
				alpha: 0.0
			}, {
				duration: 600,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					comboTxt.setText('');
					comboTxt.tint = 0x3A8EE6;
					comboTxt.scaleX = 1.0;
					comboTxt.scaleY = 1.0;
					comboTxt.alpha = 1.0;
				}
			});
			tween(self.noteSign, {
				tint: 0xff0000
			}, {
				duration: 60,
				onFinish: function onFinish() {
					tween(self.noteSign, {
						tint: 0xffffff
					}, {
						duration: 180
					});
				}
			});
			LK.getSound('tapMiss').play();
		}
	};
	self.down = function () {
		if (self.y < hitLineY - 320) {
			self.tapped = true;
			LK.getSound('tapMiss').play();
			combo = 0;
			failedNotes++;
			comboTxt.tint = 0xff2222;
			comboTxt.setText('Too early!');
			tween.stop(comboTxt, {
				scaleX: true,
				scaleY: true,
				alpha: true
			});
			comboTxt.scaleX = 1.0;
			comboTxt.scaleY = 1.0;
			comboTxt.alpha = 1.0;
			tween(comboTxt, {
				scaleX: 2.0,
				scaleY: 2.0,
				alpha: 0.0
			}, {
				duration: 600,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					comboTxt.setText('');
					comboTxt.tint = 0x3A8EE6;
					comboTxt.scaleX = 1.0;
					comboTxt.scaleY = 1.0;
					comboTxt.alpha = 1.0;
				}
			});
			tween(self, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					self.destroy();
					if (noteManager) {
						noteManager.removeNote(self);
					}
				}
			});
			return;
		}
		for (var i = 0; i < songNotesRaw.length; i++) {
			var sn = songNotesRaw[i];
			var lane = 0;
			if (keyToLane.hasOwnProperty(sn.key)) {
				lane = keyToLane[sn.key];
			} else {
				lane = i % 3;
			}
			if (lane === self.lane && sn.time / speedMultiplier === self.hitTime) {
				if (typeof sn.key === "string") {
					var keySoundName = sn.key.toLowerCase();
					var keySound = LK.getSound(keySoundName);
					if (keySound) {
						keySound.play();
					}
				}
				break;
			}
		}
	};
	return self;
});
var NoteManager = Container.expand(function () {
	var self = Container.call(this);
	self.notes = [];
	self.nextNoteIdx = 0;
	self.reset = function () {
		for (var i = 0; i < self.notes.length; i++) {
			self.notes[i].destroy();
		}
		self.notes = [];
		self.nextNoteIdx = 0;
	};
	self.spawnNotes = function (songNotes, songElapsed, noteTravelTime, laneX, noteStartY) {
		while (self.nextNoteIdx < songNotes.length && songNotes[self.nextNoteIdx].time / speedMultiplier - noteTravelTime <= songElapsed) {
			var noteData = songNotes[self.nextNoteIdx];
			var note = new Note();
			note.lane = noteData.lane;
			note.hitTime = noteData.time / speedMultiplier;
			note.x = laneX[note.lane];
			note.y = noteStartY;
			self.notes.push(note);
			game.addChild(note);
			self.nextNoteIdx++;
		}
	};
	self.cleanupNotes = function (songElapsed) {
		for (var i = self.notes.length - 1; i >= 0; i--) {
			var note = self.notes[i];
			if (note.y > 2732 + 100) {
				note.destroy();
				self.notes.splice(i, 1);
			}
		}
	};
	self.removeNote = function (note) {
		for (var i = 0; i < self.notes.length; i++) {
			if (self.notes[i] === note) {
				self.notes.splice(i, 1);
				break;
			}
		}
	};
	self.getNotes = function () {
		return self.notes;
	};
	self.getNextNoteIdx = function () {
		return self.nextNoteIdx;
	};
	self.setNextNoteIdx = function (idx) {
		self.nextNoteIdx = idx;
	};
	return self;
});
var RestartButton = Container.expand(function () {
	var self = Container.call(this);
	var btn = self.attachAsset('restartButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		tween(self, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 100,
			easing: tween.cubicOut
		});
	};
	self.up = function (x, y, obj) {
		tween(self, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				LK.stopMusic();
				gameActive = false;
				if (noteManager) {
					noteManager.reset();
				}
				startGame();
			}
		});
	};
	return self;
});
var ScoreText = Container.expand(function () {
	var self = Container.call(this);
	self.textObj = new Text2('', {
		size: 120,
		fill: 0xFFFFFF,
		dropShadow: true
	});
	self.textObj.anchor.set(0.5, 0);
	self.addChild(self.textObj);
	self.setText = function (txt) {
		self.textObj.setText(txt);
		tween.stop(self.textObj, {
			scaleX: true,
			scaleY: true,
			alpha: true
		});
		if (txt && txt.length > 0) {
			self.textObj.alpha = 1;
			self.textObj.scaleX = 1.0;
			self.textObj.scaleY = 1.0;
			tween(self.textObj, {
				scaleX: 1.25,
				scaleY: 1.25
			}, {
				duration: 80,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					tween(self.textObj, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 120,
						easing: tween.cubicIn
					});
				}
			});
		} else {
			tween(self.textObj, {
				alpha: 0
			}, {
				duration: 180
			});
		}
	};
	return self;
});
var Sparkles = Container.expand(function () {
	var self = Container.call(this);
	var particleCount = 12;
	var minSpeed = 160;
	var maxSpeed = 360;
	var minScale = 0.5;
	var maxScale = 1.2;
	var minAlpha = 0.7;
	var maxAlpha = 1.0;
	var minDuration = 320;
	var maxDuration = 1520;
	var colors = [0xffffff, 0xe0f7fa, 0xb3e5fc, 0x81d4fa, 0x4fc3f7, 0x29b6f6, 0x039be5, 0x0288d1, 0x0277bd, 0x01579b, 0x3a8ee6];
	for (var i = 0; i < particleCount; i++) {
		var angle = Math.PI * 2 * (i / particleCount);
		var speed = minSpeed + Math.random() * (maxSpeed - minSpeed);
		var vx = Math.cos(angle) * speed;
		var vy = Math.sin(angle) * speed;
		var scale = minScale + Math.random() * (maxScale - minScale);
		var alpha = minAlpha + Math.random() * (maxAlpha - minAlpha);
		var color = colors[Math.floor(Math.random() * colors.length)];
		var duration = minDuration + Math.random() * (maxDuration - minDuration);
		var targetAngle = Math.PI * 2 * Math.random();
		var sparkle = self.attachAsset('sparkle', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: scale,
			scaleY: scale,
			alpha: alpha,
			tint: color
		});
		(function (sparkle, vx, vy, duration) {
			var startX = 0,
				startY = 0;
			var seconds = duration / 1000;
			var finalX = startX + vx * seconds;
			var finalY = startY + vy * seconds;
			tween(sparkle, {
				x: finalX,
				y: finalY,
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1,
				rotation: targetAngle
			}, {
				duration: duration,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					sparkle.destroy();
				}
			});
		})(sparkle, vx, vy, duration);
	}
	LK.setTimeout(function () {
		self.destroy();
	}, maxDuration + 40);
	return self;
});
var StartButton = Container.expand(function () {
	var self = Container.call(this);
	self.isTapped = false;
	var dot = self.attachAsset('noteDot', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 5,
		scaleY: 5,
		alpha: 0.85
	});
	var btn = self.attachAsset('startText', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1,
		scaleY: 1,
		alpha: 1
	});
	self.animationComplete = false;
	var pulseTween;
	function startPulse() {
		function animateLeft() {
			pulseTween = tween(self, {
				rotation: -0.1
			}, {
				duration: 1000,
				easing: tween.cubicInOut,
				onFinish: function onFinish() {
					animateRight();
				}
			});
		}
		function animateRight() {
			pulseTween = tween(self, {
				rotation: 0.1
			}, {
				duration: 1000,
				easing: tween.cubicInOut,
				onFinish: function onFinish() {
					animateLeft();
				}
			});
		}
		self.rotation = 0;
		animateLeft();
	}
	self.scaleX = 0.1;
	self.scaleY = 0.1;
	tween(self, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 600,
		easing: tween.cubicOut,
		onFinish: function onFinish() {
			tween(self, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 240,
				easing: tween.cubicIn,
				onFinish: function onFinish() {
					self.animationComplete = true;
					startPulse();
				}
			});
		}
	});
	self.onTap = null;
	self.down = function (x, y, obj) {
		if (!self.animationComplete) {
			return;
		}
		self.isTapped = true;
		tween.stop(self, {
			scaleX: true,
			scaleY: true
		});
		self.scaleX = 1.0;
		self.scaleY = 1.0;
		LK.getSound('startSound').play();
		tween(self, {
			scaleX: 10,
			scaleY: 10,
			alpha: 0
		}, {
			duration: 1200,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				self.destroy();
				self = null;
				startGame();
			}
		});
	};
	var origDestroy = self.destroy;
	self.destroy = function () {
		if (pulseTween) {
			tween.stop(self, {
				scaleX: true,
				scaleY: true
			});
		}
		origDestroy.call(self);
	};
	return self;
});
var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetAsset = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x3a8ee6,
		alpha: 0.8
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222222
});

/**** 
* Game Code
****/ 
var SONGS = [{
	"name": "Ode to Joy\r\nBeethoven",
	"bpm": 220,
	"pitchLevel": 0,
	"bitsPerPage": 16,
	"isComposed": false,
	"songNotes": [{
		"time": 1432,
		"key": "Key6"
	}, {
		"time": 1855,
		"key": "Key6"
	}, {
		"time": 2305,
		"key": "Key7"
	}, {
		"time": 2788,
		"key": "Key8"
	}, {
		"time": 3216,
		"key": "Key8"
	}, {
		"time": 3666,
		"key": "Key7"
	}, {
		"time": 4122,
		"key": "Key6"
	}, {
		"time": 4567,
		"key": "Key5"
	}, {
		"time": 5027,
		"key": "Key4"
	}, {
		"time": 5479,
		"key": "Key4"
	}, {
		"time": 5937,
		"key": "Key5"
	}, {
		"time": 6397,
		"key": "Key6"
	}, {
		"time": 6864,
		"key": "Key6"
	}, {
		"time": 7583,
		"key": "Key5"
	}, {
		"time": 7820,
		"key": "Key5"
	}, {
		"time": 8816,
		"key": "Key6"
	}, {
		"time": 9289,
		"key": "Key6"
	}, {
		"time": 9778,
		"key": "Key7"
	}, {
		"time": 10205,
		"key": "Key8"
	}, {
		"time": 10672,
		"key": "Key8"
	}, {
		"time": 11108,
		"key": "Key7"
	}, {
		"time": 11564,
		"key": "Key6"
	}, {
		"time": 12000,
		"key": "Key5"
	}, {
		"time": 12455,
		"key": "Key4"
	}, {
		"time": 12911,
		"key": "Key4"
	}, {
		"time": 13339,
		"key": "Key5"
	}, {
		"time": 13785,
		"key": "Key6"
	}, {
		"time": 14370,
		"key": "Key5"
	}, {
		"time": 15131,
		"key": "Key4"
	}, {
		"time": 15341,
		"key": "Key4"
	}, {
		"time": 16318,
		"key": "Key5"
	}, {
		"time": 16760,
		"key": "Key5"
	}, {
		"time": 17243,
		"key": "Key6"
	}, {
		"time": 17711,
		"key": "Key4"
	}, {
		"time": 18164,
		"key": "Key5"
	}, {
		"time": 18607,
		"key": "Key6"
	}, {
		"time": 18840,
		"key": "Key7"
	}, {
		"time": 19107,
		"key": "Key6"
	}, {
		"time": 19556,
		"key": "Key4"
	}, {
		"time": 20007,
		"key": "Key5"
	}, {
		"time": 20428,
		"key": "Key6"
	}, {
		"time": 20634,
		"key": "Key7"
	}, {
		"time": 20915,
		"key": "Key6"
	}, {
		"time": 21375,
		"key": "Key5"
	}, {
		"time": 21859,
		"key": "Key4"
	}, {
		"time": 22325,
		"key": "Key5"
	}, {
		"time": 22818,
		"key": "Key1"
	}, {
		"time": 23809,
		"key": "Key6"
	}, {
		"time": 24259,
		"key": "Key6"
	}, {
		"time": 24725,
		"key": "Key7"
	}, {
		"time": 25156,
		"key": "Key8"
	}, {
		"time": 25597,
		"key": "Key8"
	}, {
		"time": 26039,
		"key": "Key7"
	}, {
		"time": 26496,
		"key": "Key6"
	}, {
		"time": 26950,
		"key": "Key5"
	}, {
		"time": 27413,
		"key": "Key4"
	}, {
		"time": 27882,
		"key": "Key4"
	}, {
		"time": 28309,
		"key": "Key5"
	}, {
		"time": 28830,
		"key": "Key6"
	}, {
		"time": 29319,
		"key": "Key5"
	}, {
		"time": 30092,
		"key": "Key4"
	}, {
		"time": 30343,
		"key": "Key4"
	}],
	"fromLibrary": true
}, {
	"name": "Spring\r\nVivaldi",
	"bpm": 200,
	"pitchLevel": 0,
	"bitsPerPage": 16,
	"isComposed": false,
	"songNotes": [{
		"time": 696,
		"key": "Key7"
	}, {
		"time": 1001,
		"key": "Key9"
	}, {
		"time": 1314,
		"key": "Key9"
	}, {
		"time": 1661,
		"key": "Key9"
	}, {
		"time": 1998,
		"key": "Key8"
	}, {
		"time": 2170,
		"key": "Key7"
	}, {
		"time": 2313,
		"key": "Key11"
	}, {
		"time": 3064,
		"key": "Key11"
	}, {
		"time": 3212,
		"key": "Key10"
	}, {
		"time": 3379,
		"key": "Key9"
	}, {
		"time": 3736,
		"key": "Key9"
	}, {
		"time": 4097,
		"key": "Key9"
	}, {
		"time": 4430,
		"key": "Key8"
	}, {
		"time": 4630,
		"key": "Key7"
	}, {
		"time": 4785,
		"key": "Key11"
	}, {
		"time": 5585,
		"key": "Key11"
	}, {
		"time": 5740,
		"key": "Key10"
	}, {
		"time": 5949,
		"key": "Key9"
	}, {
		"time": 6348,
		"key": "Key10"
	}, {
		"time": 6488,
		"key": "Key11"
	}, {
		"time": 6693,
		"key": "Key10"
	}, {
		"time": 7154,
		"key": "Key9"
	}, {
		"time": 7555,
		"key": "Key8"
	}, {
		"time": 8743,
		"key": "Key7"
	}, {
		"time": 9102,
		"key": "Key11"
	}, {
		"time": 9440,
		"key": "Key10"
	}, {
		"time": 9598,
		"key": "Key9"
	}, {
		"time": 9768,
		"key": "Key10"
	}, {
		"time": 10160,
		"key": "Key11"
	}, {
		"time": 10516,
		"key": "Key12"
	}, {
		"time": 10900,
		"key": "Key11"
	}, {
		"time": 11764,
		"key": "Key7"
	}, {
		"time": 12109,
		"key": "Key11"
	}, {
		"time": 12415,
		"key": "Key10"
	}, {
		"time": 12590,
		"key": "Key9"
	}, {
		"time": 12771,
		"key": "Key10"
	}, {
		"time": 13206,
		"key": "Key11"
	}, {
		"time": 13567,
		"key": "Key12"
	}, {
		"time": 13952,
		"key": "Key11"
	}, {
		"time": 14782,
		"key": "Key7"
	}, {
		"time": 15151,
		"key": "Key12"
	}, {
		"time": 15522,
		"key": "Key11"
	}, {
		"time": 16353,
		"key": "Key10"
	}, {
		"time": 16689,
		"key": "Key9"
	}, {
		"time": 17020,
		"key": "Key8"
	}, {
		"time": 17247,
		"key": "Key7"
	}, {
		"time": 17365,
		"key": "Key8"
	}, {
		"time": 17906,
		"key": "Key7"
	}, {
		"time": 18079,
		"key": "Key7"
	}, {
		"time": 19261,
		"key": "Key9"
	}, {
		"time": 19621,
		"key": "Key9"
	}, {
		"time": 19967,
		"key": "Key9"
	}, {
		"time": 20309,
		"key": "Key8"
	}, {
		"time": 20483,
		"key": "Key9"
	}, {
		"time": 20708,
		"key": "Key10"
	}, {
		"time": 21486,
		"key": "Key10"
	}, {
		"time": 21630,
		"key": "Key9"
	}, {
		"time": 21845,
		"key": "Key8"
	}, {
		"time": 22216,
		"key": "Key8"
	}, {
		"time": 22583,
		"key": "Key8"
	}, {
		"time": 22938,
		"key": "Key7"
	}, {
		"time": 23125,
		"key": "Key8"
	}, {
		"time": 23316,
		"key": "Key9"
	}, {
		"time": 24195,
		"key": "Key9"
	}, {
		"time": 24431,
		"key": "Key10"
	}, {
		"time": 24592,
		"key": "Key11"
	}, {
		"time": 24964,
		"key": "Key11"
	}, {
		"time": 25332,
		"key": "Key11"
	}, {
		"time": 25685,
		"key": "Key11"
	}, {
		"time": 25863,
		"key": "Key10"
	}, {
		"time": 26056,
		"key": "Key9"
	}, {
		"time": 26456,
		"key": "Key9"
	}, {
		"time": 26832,
		"key": "Key9"
	}, {
		"time": 27188,
		"key": "Key9"
	}, {
		"time": 27392,
		"key": "Key10"
	}, {
		"time": 27572,
		"key": "Key11"
	}, {
		"time": 27936,
		"key": "Key11"
	}, {
		"time": 28318,
		"key": "Key11"
	}, {
		"time": 28689,
		"key": "Key11"
	}, {
		"time": 28887,
		"key": "Key10"
	}, {
		"time": 29068,
		"key": "Key9"
	}, {
		"time": 29451,
		"key": "Key9"
	}, {
		"time": 29839,
		"key": "Key9"
	}, {
		"time": 30226,
		"key": "Key9"
	}, {
		"time": 30420,
		"key": "Key10"
	}, {
		"time": 30586,
		"key": "Key11"
	}, {
		"time": 30994,
		"key": "Key11"
	}, {
		"time": 31369,
		"key": "Key11"
	}, {
		"time": 31742,
		"key": "Key10"
	}, {
		"time": 31949,
		"key": "Key9"
	}, {
		"time": 32115,
		"key": "Key8"
	}, {
		"time": 33283,
		"key": "Key7"
	}, {
		"time": 33628,
		"key": "Key11"
	}, {
		"time": 33991,
		"key": "Key10"
	}, {
		"time": 34165,
		"key": "Key9"
	}, {
		"time": 34357,
		"key": "Key10"
	}, {
		"time": 34778,
		"key": "Key11"
	}, {
		"time": 35152,
		"key": "Key12"
	}, {
		"time": 35574,
		"key": "Key11"
	}, {
		"time": 36394,
		"key": "Key7"
	}, {
		"time": 36768,
		"key": "Key11"
	}, {
		"time": 37125,
		"key": "Key10"
	}, {
		"time": 37292,
		"key": "Key9"
	}, {
		"time": 37452,
		"key": "Key10"
	}, {
		"time": 37855,
		"key": "Key11"
	}, {
		"time": 38194,
		"key": "Key12"
	}, {
		"time": 38651,
		"key": "Key11"
	}, {
		"time": 39420,
		"key": "Key7"
	}, {
		"time": 39781,
		"key": "Key12"
	}, {
		"time": 40199,
		"key": "Key11"
	}, {
		"time": 40964,
		"key": "Key10"
	}, {
		"time": 41328,
		"key": "Key9"
	}, {
		"time": 41660,
		"key": "Key8"
	}, {
		"time": 41890,
		"key": "Key7"
	}, {
		"time": 42048,
		"key": "Key8"
	}, {
		"time": 42718,
		"key": "Key7"
	}, {
		"time": 42899,
		"key": "Key2"
	}, {
		"time": 42905,
		"key": "Key7"
	}],
	"fromLibrary": true
}, {
	"name": "San Francisco\r\nScott Mckenzie",
	"bpm": 240,
	"pitchLevel": 0,
	"bitsPerPage": 16,
	"isComposed": false,
	"songNotes": [{
		"time": 674,
		"key": "Key4"
	}, {
		"time": 1068,
		"key": "Key4"
	}, {
		"time": 1469,
		"key": "Key4"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key8"
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		"key": "Key8"
	}, {
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		"key": "Key6"
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		"key": "Key5"
	}, {
		"time": 7004,
		"key": "Key4"
	}, {
		"time": 7375,
		"key": "Key4"
	}, {
		"time": 7766,
		"key": "Key4"
	}, {
		"time": 8148,
		"key": "Key9"
	}, {
		"time": 9144,
		"key": "Key9"
	}, {
		"time": 9575,
		"key": "Key8"
	}, {
		"time": 9886,
		"key": "Key9"
	}, {
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		"key": "Key8"
	}, {
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		"key": "Key6"
	}, {
		"time": 11272,
		"key": "Key5"
	}, {
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		"key": "Key4"
	}, {
		"time": 13581,
		"key": "Key5"
	}, {
		"time": 14093,
		"key": "Key4"
	}, {
		"time": 14535,
		"key": "Key8"
	}, {
		"time": 14706,
		"key": "Key6"
	}, {
		"time": 15638,
		"key": "Key5"
	}, {
		"time": 16138,
		"key": "Key4"
	}, {
		"time": 16965,
		"key": "Key4"
	}, {
		"time": 17825,
		"key": "Key2"
	}, {
		"time": 18053,
		"key": "Key1"
	}, {
		"time": 19354,
		"key": "Key4"
	}, {
		"time": 19564,
		"key": "Key5"
	}, {
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		"key": "Key6"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key8"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key8"
	}, {
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		"key": "Key6"
	}, {
		"time": 22957,
		"key": "Key5"
	}],
	"fromLibrary": true
}, {
	"name": "La Cucaracha",
	"bpm": 240,
	"pitchLevel": 0,
	"bitsPerPage": 16,
	"isComposed": false,
	"songNotes": [{
		"time": 1159,
		"key": "Key4"
	}, {
		"time": 1437,
		"key": "Key4"
	}, {
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		"key": "Key4"
	}, {
		"time": 1918,
		"key": "Key7"
	}, {
		"time": 2612,
		"key": "Key9"
	}, {
		"time": 3142,
		"key": "Key4"
	}, {
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		"key": "Key4"
	}, {
		"time": 3638,
		"key": "Key4"
	}, {
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		"key": "Key7"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key7"
	}, {
		"time": 6363,
		"key": "Key7"
	}, {
		"time": 6650,
		"key": "Key6"
	}, {
		"time": 6897,
		"key": "Key6"
	}, {
		"time": 7138,
		"key": "Key5"
	}, {
		"time": 7398,
		"key": "Key5"
	}, {
		"time": 7658,
		"key": "Key4"
	}, {
		"time": 9559,
		"key": "Key4"
	}, {
		"time": 9819,
		"key": "Key4"
	}, {
		"time": 10062,
		"key": "Key4"
	}, {
		"time": 10319,
		"key": "Key6"
	}, {
		"time": 11116,
		"key": "Key8"
	}, {
		"time": 11642,
		"key": "Key4"
	}, {
		"time": 11920,
		"key": "Key4"
	}, {
		"time": 12161,
		"key": "Key4"
	}, {
		"time": 12481,
		"key": "Key6"
	}, {
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		"key": "Key8"
	}, {
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		"key": "Key11"
	}, {
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		"key": "Key12"
	}, {
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		"key": "Key11"
	}, {
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		"key": "Key10"
	}, {
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		"key": "Key9"
	}, {
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		"key": "Key8"
	}, {
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		"key": "Key7"
	}, {
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		"key": "Key4"
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		"key": "Key4"
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		"key": "Key7"
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		"key": "Key7"
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		"key": "Key4"
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		"key": "Key6"
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		"key": "Key6"
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		"key": "Key9"
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		"key": "Key4"
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		"key": "Key4"
	}, {
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		"key": "Key4"
	}, {
		"time": 35480,
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		"time": 60322,
		"key": "Key1"
	}, {
		"time": 60322,
		"key": "Key4"
	}, {
		"time": 60322,
		"key": "Key8"
	}, {
		"time": 61244,
		"key": "Key9"
	}, {
		"time": 61705,
		"key": "Key11"
	}, {
		"time": 62627,
		"key": "Key6"
	}, {
		"time": 63088,
		"key": "Key0"
	}, {
		"time": 63088,
		"key": "Key2"
	}, {
		"time": 63088,
		"key": "Key5"
	}],
	"fromLibrary": true
}, {
	"name": "Bella ciao",
	"bpm": 650,
	"pitchLevel": 4,
	"bitsPerPage": 16,
	"isComposed": true,
	"songNotes": [{
		"time": 368,
		"key": "Key2"
	}, {
		"time": 552,
		"key": "Key5"
	}, {
		"time": 736,
		"key": "Key6"
	}, {
		"time": 1012,
		"key": "Key7"
	}, {
		"time": 1196,
		"key": "Key5"
	}, {
		"time": 1932,
		"key": "Key2"
	}, {
		"time": 2208,
		"key": "Key5"
	}, {
		"time": 2392,
		"key": "Key6"
	}, {
		"time": 2576,
		"key": "Key7"
	}, {
		"time": 2852,
		"key": "Key5"
	}, {
		"time": 3588,
		"key": "Key2"
	}, {
		"time": 3772,
		"key": "Key5"
	}, {
		"time": 3956,
		"key": "Key6"
	}, {
		"time": 4232,
		"key": "Key7"
	}, {
		"time": 4508,
		"key": "Key6"
	}, {
		"time": 4692,
		"key": "Key5"
	}, {
		"time": 4968,
		"key": "Key7"
	}, {
		"time": 5244,
		"key": "Key6"
	}, {
		"time": 5428,
		"key": "Key5"
	}, {
		"time": 5704,
		"key": "Key9"
	}, {
		"time": 5980,
		"key": "Key9"
	}, {
		"time": 6348,
		"key": "Key9"
	}, {
		"time": 6532,
		"key": "Key9"
	}, {
		"time": 6808,
		"key": "Key8"
	}, {
		"time": 6992,
		"key": "Key9"
	}, {
		"time": 7176,
		"key": "Key10"
	}, {
		"time": 7452,
		"key": "Key10"
	}, {
		"time": 7636,
		"key": "Key1"
	}, {
		"time": 7912,
		"key": "Key3"
	}, {
		"time": 8188,
		"key": "Key10"
	}, {
		"time": 8372,
		"key": "Key9"
	}, {
		"time": 8556,
		"key": "Key8"
	}, {
		"time": 8832,
		"key": "Key10"
	}, {
		"time": 9016,
		"key": "Key9"
	}, {
		"time": 9752,
		"key": "Key9"
	}, {
		"time": 9936,
		"key": "Key8"
	}, {
		"time": 10120,
		"key": "Key7"
	}, {
		"time": 10396,
		"key": "Key6"
	}, {
		"time": 10672,
		"key": "Key9"
	}, {
		"time": 11040,
		"key": "Key6"
	}, {
		"time": 11316,
		"key": "Key7"
	}, {
		"time": 11684,
		"key": "Key5"
	}, {
		"time": 11960,
		"key": "Key2"
	}, {
		"time": 12328,
		"key": "Key2"
	}, {
		"time": 12512,
		"key": "Key2"
	}, {
		"time": 12696,
		"key": "Key5"
	}, {
		"time": 12972,
		"key": "Key6"
	}, {
		"time": 13156,
		"key": "Key7"
	}, {
		"time": 13340,
		"key": "Key5"
	}, {
		"time": 14168,
		"key": "Key2"
	}, {
		"time": 14352,
		"key": "Key5"
	}, {
		"time": 14536,
		"key": "Key6"
	}, {
		"time": 14720,
		"key": "Key7"
	}, {
		"time": 14904,
		"key": "Key5"
	}, {
		"time": 15640,
		"key": "Key2"
	}, {
		"time": 15916,
		"key": "Key5"
	}, {
		"time": 16100,
		"key": "Key6"
	}, {
		"time": 16284,
		"key": "Key7"
	}, {
		"time": 16652,
		"key": "Key6"
	}, {
		"time": 16836,
		"key": "Key5"
	}, {
		"time": 17112,
		"key": "Key7"
	}, {
		"time": 17388,
		"key": "Key6"
	}, {
		"time": 17664,
		"key": "Key5"
	}, {
		"time": 17848,
		"key": "Key9"
	}, {
		"time": 18124,
		"key": "Key9"
	}, {
		"time": 18492,
		"key": "Key9"
	}, {
		"time": 18676,
		"key": "Key9"
	}, {
		"time": 18952,
		"key": "Key8"
	}, {
		"time": 19136,
		"key": "Key9"
	}, {
		"time": 19320,
		"key": "Key10"
	}, {
		"time": 19596,
		"key": "Key10"
	}, {
		"time": 19780,
		"key": "Key1"
	}, {
		"time": 20056,
		"key": "Key3"
	}, {
		"time": 20332,
		"key": "Key10"
	}, {
		"time": 20516,
		"key": "Key1"
	}, {
		"time": 20516,
		"key": "Key9"
	}, {
		"time": 20700,
		"key": "Key8"
	}, {
		"time": 20976,
		"key": "Key10"
	}, {
		"time": 21160,
		"key": "Key9"
	}, {
		"time": 21896,
		"key": "Key9"
	}, {
		"time": 22080,
		"key": "Key8"
	}, {
		"time": 22264,
		"key": "Key7"
	}, {
		"time": 22540,
		"key": "Key6"
	}, {
		"time": 22816,
		"key": "Key9"
	}, {
		"time": 23184,
		"key": "Key6"
	}, {
		"time": 23460,
		"key": "Key7"
	}, {
		"time": 23828,
		"key": "Key5"
	}, {
		"time": 24104,
		"key": "Key2"
	}, {
		"time": 24472,
		"key": "Key2"
	}, {
		"time": 24656,
		"key": "Key2"
	}, {
		"time": 24840,
		"key": "Key5"
	}, {
		"time": 25116,
		"key": "Key6"
	}, {
		"time": 25300,
		"key": "Key7"
	}, {
		"time": 25484,
		"key": "Key5"
	}, {
		"time": 26220,
		"key": "Key2"
	}, {
		"time": 26496,
		"key": "Key5"
	}, {
		"time": 26680,
		"key": "Key6"
	}, {
		"time": 26864,
		"key": "Key7"
	}, {
		"time": 27048,
		"key": "Key5"
	}, {
		"time": 27784,
		"key": "Key2"
	}, {
		"time": 27968,
		"key": "Key5"
	}, {
		"time": 28152,
		"key": "Key6"
	}, {
		"time": 28428,
		"key": "Key7"
	}, {
		"time": 28704,
		"key": "Key6"
	}, {
		"time": 28980,
		"key": "Key5"
	}, {
		"time": 29164,
		"key": "Key7"
	}, {
		"time": 29532,
		"key": "Key6"
	}, {
		"time": 29716,
		"key": "Key5"
	}, {
		"time": 29900,
		"key": "Key9"
	}, {
		"time": 30268,
		"key": "Key9"
	}, {
		"time": 30544,
		"key": "Key9"
	}, {
		"time": 30728,
		"key": "Key9"
	}, {
		"time": 31004,
		"key": "Key8"
	}, {
		"time": 31188,
		"key": "Key9"
	}, {
		"time": 31372,
		"key": "Key10"
	}, {
		"time": 31648,
		"key": "Key10"
	}, {
		"time": 31832,
		"key": "Key1"
	}, {
		"time": 32200,
		"key": "Key3"
	}, {
		"time": 32384,
		"key": "Key10"
	}, {
		"time": 32568,
		"key": "Key1"
	}, {
		"time": 32568,
		"key": "Key9"
	}, {
		"time": 32844,
		"key": "Key8"
	}, {
		"time": 33028,
		"key": "Key10"
	}, {
		"time": 33212,
		"key": "Key9"
	}, {
		"time": 33948,
		"key": "Key9"
	}, {
		"time": 34132,
		"key": "Key8"
	}, {
		"time": 34408,
		"key": "Key7"
	}, {
		"time": 34592,
		"key": "Key6"
	}, {
		"time": 34868,
		"key": "Key9"
	}, {
		"time": 35236,
		"key": "Key6"
	}, {
		"time": 35512,
		"key": "Key7"
	}, {
		"time": 35880,
		"key": "Key5"
	}, {
		"time": 36156,
		"key": "Key2"
	}, {
		"time": 36524,
		"key": "Key2"
	}, {
		"time": 36708,
		"key": "Key2"
	}, {
		"time": 36984,
		"key": "Key5"
	}, {
		"time": 37168,
		"key": "Key6"
	}, {
		"time": 37352,
		"key": "Key7"
	}, {
		"time": 37628,
		"key": "Key5"
	}, {
		"time": 38364,
		"key": "Key2"
	}, {
		"time": 38548,
		"key": "Key5"
	}, {
		"time": 38732,
		"key": "Key6"
	}, {
		"time": 39008,
		"key": "Key7"
	}, {
		"time": 39192,
		"key": "Key5"
	}, {
		"time": 39928,
		"key": "Key2"
	}, {
		"time": 40112,
		"key": "Key5"
	}, {
		"time": 40388,
		"key": "Key6"
	}, {
		"time": 40572,
		"key": "Key7"
	}, {
		"time": 40940,
		"key": "Key6"
	}, {
		"time": 41124,
		"key": "Key5"
	}, {
		"time": 41308,
		"key": "Key7"
	}, {
		"time": 41676,
		"key": "Key6"
	}, {
		"time": 41860,
		"key": "Key5"
	}, {
		"time": 42044,
		"key": "Key9"
	}, {
		"time": 42412,
		"key": "Key9"
	}, {
		"time": 42688,
		"key": "Key9"
	}, {
		"time": 42964,
		"key": "Key9"
	}, {
		"time": 43148,
		"key": "Key8"
	}, {
		"time": 43332,
		"key": "Key9"
	}, {
		"time": 43608,
		"key": "Key10"
	}, {
		"time": 43792,
		"key": "Key10"
	}, {
		"time": 43976,
		"key": "Key1"
	}, {
		"time": 44344,
		"key": "Key3"
	}, {
		"time": 44528,
		"key": "Key10"
	}, {
		"time": 44712,
		"key": "Key1"
	}, {
		"time": 44712,
		"key": "Key9"
	}, {
		"time": 44988,
		"key": "Key8"
	}, {
		"time": 45172,
		"key": "Key10"
	}, {
		"time": 45356,
		"key": "Key9"
	}, {
		"time": 46092,
		"key": "Key9"
	}, {
		"time": 46276,
		"key": "Key8"
	}, {
		"time": 46552,
		"key": "Key7"
	}, {
		"time": 46736,
		"key": "Key6"
	}, {
		"time": 47104,
		"key": "Key9"
	}, {
		"time": 47380,
		"key": "Key6"
	}, {
		"time": 47748,
		"key": "Key7"
	}, {
		"time": 48024,
		"key": "Key5"
	}, {
		"time": 48392,
		"key": "Key0"
	}, {
		"time": 48392,
		"key": "Key2"
	}, {
		"time": 48668,
		"key": "Key0"
	}, {
		"time": 48668,
		"key": "Key2"
	}],
	"fromLibrary": true
}];
var songsRating = [];
var songNotesRaw = SONGS[0].songNotes;
var keyToLane = {
	"Key0": 0,
	"Key1": 1,
	"Key2": 2,
	"Key3": 0,
	"Key4": 1,
	"Key5": 2,
	"Key6": 0,
	"Key7": 1,
	"Key8": 2,
	"Key9": 0,
	"Key10": 1,
	"Key11": 2,
	"Key12": 0,
	"Key13": 1,
	"Key14": 2
};
var songNotes = [];
var songDuration;
var laneCount = 3;
var laneWidth = 600;
var laneOffset = 150;
var laneSpacing = 2048 / laneCount;
var laneX = [laneSpacing * 0.5 + laneOffset, laneSpacing * 1.5, laneSpacing * 2.5 - laneOffset];
var hitLine;
var hitLineYDisplay;
var targets = [];
var speedMultiplier = 1.0;
var baseNoteTravelTime = 4000;
var noteTravelTime = baseNoteTravelTime / speedMultiplier;
var hitLineY = 2000;
var baseNoteStartY = -4000;
var noteStartY = baseNoteStartY;
var noteManager;
var menuManager;
var restartBtn;
var songStartTime;
var gameActive;
var score;
var combo;
var maxCombo;
var lastTapTime;
var totalNotes;
var failedNotes;
var scoreTxt;
var comboTxt;
var menuButton;
var bgManager;
var laneHighlights;
function startGame() {
	if (!noteManager) {
		noteManager = new NoteManager();
	}
	noteManager.reset();
	score = LK.getScore();
	combo = 0;
	maxCombo = 0;
	totalNotes = songNotes.length;
	failedNotes = 0;
	if (!scoreTxt) {
		scoreTxt = new ScoreText();
		scoreTxt.y = 0;
		LK.gui.top.addChild(scoreTxt);
	}
	scoreTxt.visible = true;
	scoreTxt.setText(LK.getScore() + '');
	if (!comboTxt) {
		comboTxt = new ComboText();
		comboTxt.y = 130;
		comboTxt.tint = 0x3A8EE6;
		LK.gui.top.addChild(comboTxt);
	}
	comboTxt.setText('');
	lastTapTime = 0;
	if (laneHighlights) {
		for (var i = 0; i < laneHighlights.length; i++) {
			laneHighlights[i].visible = true;
		}
	}
	if (targets) {
		for (var i = 0; i < targets.length; i++) {
			targets[i].visible = true;
		}
	}
	if (restartBtn) {
		restartBtn.visible = true;
	}
	if (menuButton) {
		menuButton.visible = true;
	}
	LK.setTimeout(function () {
		gameActive = true;
		songStartTime = Date.now();
	}, 1000);
}
game.update = function () {
	if (menuManager && menuManager.visible) {
		menuManager.update();
	}
	noteTravelTime = baseNoteTravelTime / speedMultiplier;
	noteStartY = baseNoteStartY / speedMultiplier;
	if (!gameActive) {
		return;
	}
	var now = Date.now();
	var songElapsed = now - songStartTime;
	noteManager.spawnNotes(songNotes, songElapsed, noteTravelTime, laneX, noteStartY);
	noteManager.cleanupNotes(songElapsed);
	if (songElapsed > songDuration + 600 && noteManager.getNotes().length === 0 && gameActive) {
		gameActive = false;
		var failureRate = totalNotes > 0 ? failedNotes / totalNotes : 0;
		var stars = 0;
		if (failedNotes === 0 || failedNotes === 1) {
			stars = 3;
		} else if (failureRate <= 0.5) {
			stars = 2;
		} else if (failureRate < 1.0) {
			stars = 1;
		} else {
			stars = 0;
		}
		var starContainer = new Container();
		starContainer.x = 2048 / 2;
		starContainer.y = 800;
		game.addChild(starContainer);
		var starSpacing = 150;
		var starStartX = -(stars - 1) * starSpacing / 2;
		for (var i = 0; i < stars; i++) {
			(function (index) {
				var star = starContainer.attachAsset('star', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: starStartX + index * starSpacing,
					y: 0,
					scaleX: 0,
					scaleY: 0,
					tint: 0xFFD700
				});
				LK.setTimeout(function () {
					tween(star, {
						scaleX: 2,
						scaleY: 2
					}, {
						duration: 400,
						easing: tween.elasticOut
					});
				}, index * 200);
			})(i);
		}
		LK.getSound('cheers').play();
		LK.setTimeout(function () {
			restartBtn.visible = false;
			menuButton.visible = false;
			LK.showYouWin();
		}, 4400);
	}
};
function getLaneFromX(x) {
	for (var i = 0; i < laneCount; i++) {
		var left = laneX[i] - laneWidth / 2;
		var right = laneX[i] + laneWidth / 2;
		if (x >= left && x <= right) {
			return i;
		}
	}
	return -1;
}
game.down = function (x, y, obj) {
	if (!gameActive) {
		return;
	}
	if (y < hitLineY - 220 || y > hitLineY + 220) {
		return;
	}
	var lane = getLaneFromX(x);
	if (lane < 0 || lane >= laneCount) {
		return;
	}
	var now = Date.now();
	var songElapsed = now - songStartTime;
	var bestNote = null;
	var bestDelta = 9999;
	var notesInPlay = noteManager.getNotes();
	for (var i = 0; i < notesInPlay.length; i++) {
		var note = notesInPlay[i];
		if (note.lane !== lane) {
			continue;
		}
		if (note.tapped || note.missed) {
			continue;
		}
		var delta = Math.abs(songElapsed - note.hitTime);
		if (delta < 320 && delta < bestDelta) {
			bestNote = note;
			bestDelta = delta;
		}
	}
	if (bestNote) {
		bestNote.tapped = true;
		bestNote.showTapFeedback();
		LK.getSound('tapGood').play();
		if (typeof bestNote.down === "function") {
			bestNote.down();
		}
		var distance = Math.abs(bestNote.y - hitLineY);
		var norm = distance / (bestNote.height / 2);
		var points = 1;
		if (norm <= 0.1) {
			points = 10;
		} else if (norm <= 0.2) {
			points = 9;
		} else if (norm <= 0.3) {
			points = 8;
		} else if (norm <= 0.4) {
			points = 7;
		} else if (norm <= 0.5) {
			points = 6;
		} else if (norm <= 0.6) {
			points = 5;
		} else if (norm <= 0.7) {
			points = 4;
		} else if (norm <= 0.8) {
			points = 3;
		} else if (norm <= 0.9) {
			points = 2;
		} else {
			points = 1;
		}
		combo += 1;
		score += combo * points;
		if (combo > maxCombo) {
			maxCombo = combo;
		}
		LK.setScore(score);
		scoreTxt.setText(score + '');
		tween.stop(scoreTxt, {
			scaleX: true,
			scaleY: true
		});
		scoreTxt.scaleX = 1.0;
		scoreTxt.scaleY = 1.0;
		tween(scoreTxt, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 160,
			easing: tween.cubicOut,
			onFinish: function onFinish() {
				tween(scoreTxt, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 120,
					easing: tween.cubicIn
				});
			}
		});
		if (combo > 1) {
			comboTxt.setText('Combo x' + combo + '!');
			tween.stop(comboTxt, {
				scaleX: true,
				scaleY: true
			});
			comboTxt.scaleX = 1.0;
			comboTxt.scaleY = 1.0;
			tween(comboTxt, {
				scaleX: 1.6,
				scaleY: 1.6
			}, {
				duration: 160,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					tween(comboTxt, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 120,
						easing: tween.cubicIn
					});
				}
			});
		} else {
			comboTxt.setText('');
		}
		LK.effects.flashObject(laneHighlights[lane], 0x3a8ee6, 180);
		var tappedTarget = targets[lane];
		if (tappedTarget) {
			tappedTarget.scaleX = 1;
			tappedTarget.scaleY = 1;
			tween(tappedTarget, {
				scaleX: 1.4,
				scaleY: 1.4
			}, {
				duration: 90,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					tween(tappedTarget, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 120,
						easing: tween.cubicIn
					});
				}
			});
		}
		tween(bestNote, {
			alpha: 0
		}, {
			duration: 180,
			onFinish: function onFinish() {
				bestNote.destroy();
			}
		});
		noteManager.removeNote(bestNote);
	} else {
		combo = 0;
		comboTxt.setText('');
		LK.getSound('tapMiss').play();
		LK.effects.flashObject(laneHighlights[lane], 0xff0000, 300);
	}
};
LK.on('gameover', function () {
	LK.stopMusic();
	startGame();
});
LK.on('youwin', function () {
	LK.stopMusic();
	startGame();
});
function initializeGame() {
	for (var i = 0; i < SONGS.length; i++) {
		songsRating[i] = 0;
	}
	bgManager = new BackgroundManager();
	game.addChild(bgManager);
	menuManager = new MenuManager();
	menuManager.createMenuTiles(SONGS);
	menuManager.onSongSelected = function (songIndex) {
		menuManager.hide();
		songNotesRaw = SONGS[songIndex].songNotes;
		songNotes = [];
		for (var i = 0; i < songNotesRaw.length; i++) {
			var note = songNotesRaw[i];
			var lane = 0;
			if (keyToLane.hasOwnProperty(note.key)) {
				lane = keyToLane[note.key];
			} else {
				lane = i % 3;
			}
			songNotes.push({
				lane: lane,
				time: note.time
			});
		}
		songDuration = songNotes.length > 0 ? songNotes[songNotes.length - 1].time / speedMultiplier + 1000 : 9000;
		startGame();
	};
	game.addChild(menuManager);
	menuManager.visible = false;
	for (var i = 0; i < songNotesRaw.length; i++) {
		var note = songNotesRaw[i];
		var lane = 0;
		if (keyToLane.hasOwnProperty(note.key)) {
			lane = keyToLane[note.key];
		} else {
			lane = i % 3;
		}
		songNotes.push({
			lane: lane,
			time: note.time
		});
	}
	songDuration = songNotes.length > 0 ? songNotes[songNotes.length - 1].time / speedMultiplier + 1000 : 9000;
	hitLine = LK.getAsset('laneHighlight', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 2048,
		height: 8,
		color: 0x3a8ee6,
		alpha: 0.18,
		x: 2048 / 2,
		y: hitLineY
	});
	game.addChild(hitLine);
	for (var i = 0; i < laneCount; i++) {
		var target = new Target();
		target.x = laneX[i];
		target.y = hitLineY;
		target.visible = false;
		game.addChild(target);
		targets.push(target);
	}
	noteManager = new NoteManager();
	songStartTime = 0;
	gameActive = false;
	score = 0;
	combo = 0;
	maxCombo = 0;
	lastTapTime = 0;
	totalNotes = 0;
	failedNotes = 0;
	scoreTxt = new ScoreText();
	scoreTxt.setText(LK.getScore() + '');
	scoreTxt.y = 0;
	scoreTxt.visible = false;
	LK.gui.top.addChild(scoreTxt);
	comboTxt = new ComboText();
	comboTxt.y = 130;
	comboTxt.tint = 0x3A8EE6;
	LK.gui.top.addChild(comboTxt);
	if (!restartBtn) {
		restartBtn = new RestartButton();
		restartBtn.visible = false;
		restartBtn.x = 1900;
		restartBtn.y = 150;
		game.addChild(restartBtn);
	}
	if (!menuButton) {
		menuButton = new MenuButton();
		menuButton.visible = false;
		menuButton.x = 200;
		menuButton.y = 500;
		game.addChild(menuButton);
	}
	laneHighlights = [];
	for (var i = 0; i < laneCount; i++) {
		var laneHL = LK.getAsset('laneHighlight', {
			anchorX: 0.5,
			anchorY: 0,
			alpha: 0.07,
			x: laneX[i],
			y: 0,
			height: 2732,
			visible: false
		});
		game.addChild(laneHL);
		laneHighlights.push(laneHL);
	}
	hitLineYDisplay = hitLineY;
	if (typeof startBtn !== "undefined" && startBtn) {
		startBtn.destroy();
		startBtn = null;
	}
	startBtn = new StartButton();
	startBtn.x = 2048 / 2;
	startBtn.y = 1200;
	startBtn.down = function (x, y, obj) {
		if (!startBtn.animationComplete) {
			return;
		}
		tween.stop(startBtn, {
			scaleX: true,
			scaleY: true
		});
		startBtn.scaleX = 1.0;
		startBtn.scaleY = 1.0;
		LK.getSound('startSound').play();
		tween(startBtn, {
			scaleX: 100,
			scaleY: 100,
			alpha: 0
		}, {
			duration: 1200,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				startBtn.destroy();
				startBtn = null;
				if (restartBtn) {
					restartBtn.visible = false;
				}
				if (menuButton) {
					menuButton.visible = false;
				}
				menuManager.show();
			}
		});
	};
	game.addChild(startBtn);
}
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -5,35 +5,29 @@
 
 /**** 
 * Classes
 ****/ 
-// BackgroundManager class: manages the game background
 var BackgroundManager = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the background00 asset, anchored at top-left
 	var bg = self.attachAsset('background00', {
 		anchorX: 0,
 		anchorY: 0,
 		x: 0,
 		y: 0
 	});
 	return self;
 });
-// ComboText class: animated combo display
 var ComboText = Container.expand(function () {
 	var self = Container.call(this);
-	// Internal Text2 for display
 	self.textObj = new Text2('', {
 		size: 80,
 		fill: 0xFFFFFF,
 		dropShadow: true
 	});
 	self.textObj.anchor.set(0.5, 0);
 	self.addChild(self.textObj);
-	// Set text and animate
 	self.setText = function (txt) {
 		self.textObj.setText(txt);
-		// Animate: pop if not empty, fade out if empty
 		tween.stop(self.textObj, {
 			scaleX: true,
 			scaleY: true,
 			alpha: true
@@ -58,9 +52,8 @@
 					});
 				}
 			});
 		} else {
-			// Fade out if empty
 			tween(self.textObj, {
 				alpha: 0
 			}, {
 				duration: 180
@@ -68,19 +61,15 @@
 		}
 	};
 	return self;
 });
-// MenuButton class: a button to return to the menu during gameplay
 var MenuButton = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the menuIcon asset, centered
 	var icon = self.attachAsset('menuIcon', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	// Handle tap
 	self.down = function (x, y, obj) {
-		// Animate press feedback
 		tween(self, {
 			scaleX: 0.9,
 			scaleY: 0.9
 		}, {
@@ -88,25 +77,20 @@
 			easing: tween.cubicOut
 		});
 	};
 	self.up = function (x, y, obj) {
-		// Animate release
 		tween(self, {
 			scaleX: 1.0,
 			scaleY: 1.0
 		}, {
 			duration: 100,
 			easing: tween.cubicIn,
 			onFinish: function onFinish() {
-				// Stop music
 				LK.stopMusic();
-				// Reset game state
 				gameActive = false;
-				// Reset note manager
 				if (noteManager) {
 					noteManager.reset();
 				}
-				// Hide game UI elements
 				if (scoreTxt) {
 					scoreTxt.visible = false;
 				}
 				if (comboTxt) {
@@ -124,68 +108,51 @@
 				}
 				if (restartBtn) {
 					restartBtn.visible = false;
 				}
-				// Hide the menu button itself
 				self.visible = false;
-				// Show the menu
 				if (menuManager) {
 					menuManager.show();
 				}
 			}
 		});
 	};
 	return self;
 });
-// MenuManager class: manages the song selection menu
 var MenuManager = Container.expand(function () {
 	var self = Container.call(this);
-	// Array to hold menu tiles
 	self.menuTiles = [];
-	// Scroll container for tiles
 	self.scrollContainer = new Container();
 	self.addChild(self.scrollContainer);
-	// Scroll state
 	self.scrollY = 0;
 	self.targetScrollY = 0;
 	self.lastTouchY = 0;
 	self.isDragging = false;
 	self.dragVelocity = 0;
 	self.lastDragTime = 0;
-	// Scroll bounds
 	self.minScrollY = 0;
 	self.maxScrollY = 0;
-	// Drag detection
 	self.dragStartY = 0;
 	self.dragDistance = 0;
-	self.dragThreshold = 10; // Minimum pixels to consider it a drag
-	// Create menu tiles for each song
+	self.dragThreshold = 10;
 	self.createMenuTiles = function (songs) {
-		// Clear existing tiles
 		for (var i = 0; i < self.menuTiles.length; i++) {
 			self.menuTiles[i].destroy();
 		}
 		self.menuTiles = [];
-		// Create new tiles
 		var tileHeight = 300;
-		var tileSpacing = 260; // Increased spacing for more vertical space
+		var tileSpacing = 260;
 		var startY = 500;
 		for (var i = 0; i < songs.length; i++) {
 			var tile = new MenuTile();
 			tile.x = 2048 / 2;
 			tile.y = startY + i * (tileHeight + tileSpacing);
 			tile.setText(songs[i].name);
-			// Store song index for later use
 			tile.songIndex = i;
-			// Make tile interactive
 			tile.down = function () {
 				var index = this.songIndex;
-				// Reset drag distance when tile is pressed
 				self.dragDistance = 0;
-				// Don't play sound or animate if we're already scrolling
 				if (Math.abs(self.dragVelocity) < 5) {
-					// Don't play click sound here - wait for up handler to confirm it's not a drag
-					// Animate press feedback
 					tween(this, {
 						scaleX: 0.95,
 						scaleY: 0.95
 					}, {
@@ -195,13 +162,10 @@
 				}
 			};
 			tile.up = function () {
 				var index = this.songIndex;
-				// Only trigger selection if not dragging (check drag distance and velocity)
 				if (self.dragDistance < self.dragThreshold && Math.abs(self.dragVelocity) < 5) {
-					// Play click sound only when actually selecting (not dragging)
 					LK.getSound('click').play();
-					// Animate release and trigger song selection
 					tween(this, {
 						scaleX: 1.0,
 						scaleY: 1.0
 					}, {
@@ -213,9 +177,8 @@
 							}
 						}
 					});
 				} else {
-					// Reset scale if scrolling
 					tween(this, {
 						scaleX: 1.0,
 						scaleY: 1.0
 					}, {
@@ -226,22 +189,19 @@
 			};
 			self.scrollContainer.addChild(tile);
 			self.menuTiles.push(tile);
 		}
-		// Calculate scroll bounds
 		var lastTileY = startY + (songs.length - 1) * (tileHeight + tileSpacing);
 		self.maxScrollY = 0;
-		self.minScrollY = Math.min(0, 2732 - lastTileY - 400); // Keep some padding at bottom
+		self.minScrollY = Math.min(0, 2732 - lastTileY - 400);
 	};
-	// Handle touch/drag for scrolling
 	self.down = function (x, y, obj) {
 		self.isDragging = true;
 		self.lastTouchY = y;
-		self.dragStartY = y; // Store initial position
-		self.dragDistance = 0; // Reset drag distance
+		self.dragStartY = y;
+		self.dragDistance = 0;
 		self.dragVelocity = 0;
 		self.lastDragTime = Date.now();
-		// Stop any ongoing scroll animation
 		tween.stop(self, {
 			targetScrollY: true
 		});
 	};
@@ -250,41 +210,35 @@
 			return;
 		}
 		var deltaY = y - self.lastTouchY;
 		self.targetScrollY += deltaY;
-		// Track total drag distance
 		self.dragDistance = Math.abs(y - self.dragStartY);
-		// Clamp to bounds with rubber band effect
 		if (self.targetScrollY > self.maxScrollY) {
 			self.targetScrollY = self.maxScrollY + (self.targetScrollY - self.maxScrollY) * 0.3;
 		} else if (self.targetScrollY < self.minScrollY) {
 			self.targetScrollY = self.minScrollY + (self.targetScrollY - self.minScrollY) * 0.3;
 		}
-		// Calculate velocity
 		var now = Date.now();
 		var deltaTime = now - self.lastDragTime;
 		if (deltaTime > 0) {
-			self.dragVelocity = deltaY / deltaTime * 16; // Convert to pixels per frame
+			self.dragVelocity = deltaY / deltaTime * 16;
 		}
 		self.lastTouchY = y;
 		self.lastDragTime = now;
 	};
 	self.up = function (x, y, obj) {
 		self.isDragging = false;
-		// Apply momentum
 		if (Math.abs(self.dragVelocity) > 2) {
 			var momentum = self.dragVelocity * 20;
 			var newTarget = self.targetScrollY + momentum;
-			// Clamp to bounds
 			newTarget = Math.max(self.minScrollY, Math.min(self.maxScrollY, newTarget));
 			tween(self, {
 				targetScrollY: newTarget
 			}, {
 				duration: 800,
 				easing: tween.cubicOut
 			});
 		} else {
-			// Snap back to bounds if overscrolled
 			if (self.targetScrollY > self.maxScrollY) {
 				tween(self, {
 					targetScrollY: self.maxScrollY
 				}, {
@@ -301,25 +255,19 @@
 			}
 		}
 		self.dragVelocity = 0;
 	};
-	// Update scroll position smoothly
 	self.update = function () {
-		// Smooth scrolling
 		self.scrollY += (self.targetScrollY - self.scrollY) * 0.2;
 		self.scrollContainer.y = self.scrollY;
-		// Decay velocity when not dragging
 		if (!self.isDragging) {
 			self.dragVelocity *= 0.95;
 		}
 	};
-	// Callback for when a song is selected
 	self.onSongSelected = null;
-	// Show menu with animation
 	self.show = function () {
 		self.visible = true;
 		self.alpha = 0;
-		// Reset scroll position
 		self.scrollY = 0;
 		self.targetScrollY = 0;
 		self.scrollContainer.y = 0;
 		tween(self, {
@@ -327,16 +275,14 @@
 		}, {
 			duration: 300,
 			easing: tween.cubicOut
 		});
-		// Animate tiles in sequence
 		for (var i = 0; i < self.menuTiles.length; i++) {
 			(function (tile, delay) {
 				tile.scaleX = 0.8;
 				tile.scaleY = 0.8;
 				tile.alpha = 0;
 				LK.setTimeout(function () {
-					// Play menuSpawn sound when creating each tile
 					LK.getSound('menuSpawn').play();
 				}, delay);
 				tween(tile, {
 					scaleX: 1,
@@ -350,9 +296,8 @@
 				});
 			})(self.menuTiles[i], i * 100);
 		}
 	};
-	// Hide menu with animation
 	self.hide = function () {
 		tween(self, {
 			alpha: 0
 		}, {
@@ -364,17 +309,14 @@
 		});
 	};
 	return self;
 });
-// MenuTile class: a menu tile with an image and a text label
 var MenuTile = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the menuTile asset, centered
 	self.tileImg = self.attachAsset('menuTile', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	// Add a text label aligned to the left
 	self.textObj = new Text2('', {
 		size: 100,
 		fill: 0x222222,
 		dropShadow: true
@@ -382,25 +324,21 @@
 	self.textObj.anchor.set(0, 0.5);
 	self.textObj.x = -self.tileImg.width / 2 + 100;
 	self.textObj.y = 0;
 	self.addChild(self.textObj);
-	// Add play button on the right
 	self.playBtn = self.attachAsset('playButton', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		x: self.tileImg.width / 2 - 150,
 		y: 0
 	});
-	// Public method to set the text
 	self.setText = function (txt) {
 		self.textObj.setText(txt);
 	};
 	return self;
 });
-// Note class: a falling dot in a lane, with timing and tap state
 var Note = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the note dot asset, centered
 	self.noteBall = self.attachAsset('noteDot', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		alpha: 0.6
@@ -408,48 +346,33 @@
 	self.noteSign = self.attachAsset('noteSign', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	// Lane index (0,1,2)
 	self.lane = 0;
-	// Time (in ms) when this note should be hit
 	self.hitTime = 0;
-	// Whether this note has been tapped
 	self.tapped = false;
-	// Whether this note has been missed
 	self.missed = false;
-	// For tap feedback
 	self.showTapFeedback = function () {
 		var feedback = self.attachAsset('tapFeedback', {
 			anchorX: 0.5,
 			anchorY: 0.5,
 			alpha: 0.5
 		});
-		// Spawn sparkles at note position
 		var sparkles = new Sparkles();
 		sparkles.x = self.x;
 		sparkles.y = self.y;
 		if (self.parent) {
 			self.parent.addChild(sparkles);
 		}
-		// Animate noteSign scale up to 4 and back to 1
 		self.noteSign.scaleX = 1;
 		self.noteSign.scaleY = 1;
 		tween(self.noteSign, {
 			scaleX: 3,
 			scaleY: 3
 		}, {
 			duration: 120,
 			easing: tween.cubicOut,
-			onFinish: function onFinish() {
-				// tween(self.noteSign, {
-				// 	scaleX: 1,
-				// 	scaleY: 1
-				// }, {
-				// 	duration: 180,
-				// 	easing: tween.cubicIn
-				// });
-			}
+			onFinish: function onFinish() {}
 		});
 		tween(feedback, {
 			alpha: 0
 		}, {
@@ -458,31 +381,23 @@
 				feedback.destroy();
 			}
 		});
 	};
-	// Called every tick
 	self.update = function () {
-		// Calculate songElapsed and t for this note
 		if (!gameActive) {
 			return;
 		}
 		var now = Date.now();
 		var songElapsed = now - songStartTime;
-		// Calculate progress: 0 (spawn) to 1 (at hit line), allow t > 1 for movement past hit line
-		// Apply speedMultiplier to make notes move at the correct visual speed
 		var adjustedTravelTime = noteTravelTime * speedMultiplier;
 		var t = (songElapsed - (self.hitTime - adjustedTravelTime)) / adjustedTravelTime;
-		// Don't clamp t to 0, allow negative values for proper positioning before note starts moving
-		// Remove the clamp for t > 1, so notes keep moving past hit line
 		self.y = noteStartY + (hitLineY - noteStartY) * t + (t > 1 ? (t - 1) * (2732 - hitLineY) : 0);
-		// Miss detection: if note passes hit line and not tapped
 		if (!self.tapped && !self.missed && songElapsed > self.hitTime + 220) {
 			self.missed = true;
 			self.alpha = 0.3;
 			combo = 0;
-			failedNotes++; // Track missed note for rating
-			// Show and animate 'Missed!' on comboTxt in red
-			comboTxt.tint = 0xff2222; // set to red
+			failedNotes++;
+			comboTxt.tint = 0xff2222;
 			comboTxt.setText('Missed!');
 			tween.stop(comboTxt, {
 				scaleX: true,
 				scaleY: true,
@@ -499,15 +414,14 @@
 				duration: 600,
 				easing: tween.cubicOut,
 				onFinish: function onFinish() {
 					comboTxt.setText('');
-					comboTxt.tint = 0x3A8EE6; // restore to blue after
+					comboTxt.tint = 0x3A8EE6;
 					comboTxt.scaleX = 1.0;
 					comboTxt.scaleY = 1.0;
 					comboTxt.alpha = 1.0;
 				}
 			});
-			// Animate noteSign to flash red
 			tween(self.noteSign, {
 				tint: 0xff0000
 			}, {
 				duration: 60,
@@ -518,25 +432,18 @@
 						duration: 180
 					});
 				}
 			});
-			// Play tapMiss sound when missed
 			LK.getSound('tapMiss').play();
 		}
 	};
-	// Play the corresponding key sound for this note
 	self.down = function () {
-		// Check if note is tapped too early (before hitLineY - 320)
 		if (self.y < hitLineY - 320) {
-			// Mark as tapped so it can't be tapped again
 			self.tapped = true;
-			// Play tapMiss sound for early tap
 			LK.getSound('tapMiss').play();
-			// Reset combo
 			combo = 0;
-			failedNotes++; // Track too early tap for rating
-			// Show and animate 'Too early!' on comboTxt in red
-			comboTxt.tint = 0xff2222; // set to red
+			failedNotes++;
+			comboTxt.tint = 0xff2222;
 			comboTxt.setText('Too early!');
 			tween.stop(comboTxt, {
 				scaleX: true,
 				scaleY: true,
@@ -553,15 +460,14 @@
 				duration: 600,
 				easing: tween.cubicOut,
 				onFinish: function onFinish() {
 					comboTxt.setText('');
-					comboTxt.tint = 0x3A8EE6; // restore to blue after
+					comboTxt.tint = 0x3A8EE6;
 					comboTxt.scaleX = 1.0;
 					comboTxt.scaleY = 1.0;
 					comboTxt.alpha = 1.0;
 				}
 			});
-			// Animate note destruction
 			tween(self, {
 				alpha: 0,
 				scaleX: 0.5,
 				scaleY: 0.5
@@ -569,27 +475,23 @@
 				duration: 300,
 				easing: tween.cubicOut,
 				onFinish: function onFinish() {
 					self.destroy();
-					// Remove from note manager
 					if (noteManager) {
 						noteManager.removeNote(self);
 					}
 				}
 			});
 			return;
 		}
-		// Find the original song note for this Note instance
-		// We'll use the lane and hitTime to match to songNotesRaw
 		for (var i = 0; i < songNotesRaw.length; i++) {
 			var sn = songNotesRaw[i];
 			var lane = 0;
 			if (keyToLane.hasOwnProperty(sn.key)) {
 				lane = keyToLane[sn.key];
 			} else {
 				lane = i % 3;
 			}
-			// Compare adjusted time (sn.time / speedMultiplier) with note's hitTime
 			if (lane === self.lane && sn.time / speedMultiplier === self.hitTime) {
 				if (typeof sn.key === "string") {
 					var keySoundName = sn.key.toLowerCase();
 					var keySound = LK.getSound(keySoundName);
@@ -602,106 +504,67 @@
 		}
 	};
 	return self;
 });
-// NoteManager class: handles spawning and management of notes
 var NoteManager = Container.expand(function () {
 	var self = Container.call(this);
-	// Notes in play
 	self.notes = [];
-	// Index of next note to spawn
 	self.nextNoteIdx = 0;
-	// Reset all state
 	self.reset = function () {
 		for (var i = 0; i < self.notes.length; i++) {
 			self.notes[i].destroy();
 		}
 		self.notes = [];
 		self.nextNoteIdx = 0;
 	};
-	// Spawn notes as their time approaches
 	self.spawnNotes = function (songNotes, songElapsed, noteTravelTime, laneX, noteStartY) {
-		// This function spawns notes at the right time so they reach the hit line exactly when they should be tapped
-		// 
-		// Parameters:
-		// - songNotes: Array of all notes in the song, each with {lane: 0|1|2, time: ms}
-		// - songElapsed: Current time elapsed since song started (in milliseconds)
-		// - noteTravelTime: Time it takes for a note to travel from spawn point to hit line (in milliseconds)
-		// - laneX: Array of x-coordinates for each lane [left, center, right]
-		// - noteStartY: Y-coordinate where notes spawn (above the screen)
-		// The key timing logic:
-		// A note should spawn when: songElapsed >= (note.hitTime - noteTravelTime)
-		// This ensures the note has exactly noteTravelTime milliseconds to travel to the hit line
-		// Example: If a note should be hit at 5000ms and travel time is 4000ms, it spawns at 1000ms
-		// Keep spawning notes while there are unspawned notes whose spawn time has arrived
-		// Apply speedMultiplier to the note time to control music playback speed
 		while (self.nextNoteIdx < songNotes.length && songNotes[self.nextNoteIdx].time / speedMultiplier - noteTravelTime <= songElapsed) {
-			// Get the data for the next note to spawn
 			var noteData = songNotes[self.nextNoteIdx];
-			// Create a new Note instance
 			var note = new Note();
-			// Set which lane (0=left, 1=center, 2=right)
 			note.lane = noteData.lane;
-			// Set when this note should be hit (in ms from song start)
-			// Apply speedMultiplier to sync with music speed
 			note.hitTime = noteData.time / speedMultiplier;
-			// Position the note horizontally in its lane
 			note.x = laneX[note.lane];
-			// Position the note vertically at the spawn point (above screen)
 			note.y = noteStartY;
-			// Add note to our tracking array
 			self.notes.push(note);
-			// Add note to the game display
 			game.addChild(note);
-			// Move to the next note in the song
 			self.nextNoteIdx++;
 		}
 	};
-	// Remove notes that are far past the hit line
 	self.cleanupNotes = function (songElapsed) {
 		for (var i = self.notes.length - 1; i >= 0; i--) {
 			var note = self.notes[i];
-			// Remove note if it has moved past the bottom of the screen
 			if (note.y > 2732 + 100) {
 				note.destroy();
 				self.notes.splice(i, 1);
 			}
 		}
 	};
-	// Remove a specific note from the manager
 	self.removeNote = function (note) {
 		for (var i = 0; i < self.notes.length; i++) {
 			if (self.notes[i] === note) {
 				self.notes.splice(i, 1);
 				break;
 			}
 		}
 	};
-	// Get all notes in play
 	self.getNotes = function () {
 		return self.notes;
 	};
-	// Get the index of the next note to spawn
 	self.getNextNoteIdx = function () {
 		return self.nextNoteIdx;
 	};
-	// Set the index of the next note to spawn
 	self.setNextNoteIdx = function (idx) {
 		self.nextNoteIdx = idx;
 	};
 	return self;
 });
-// RestartButton class: a restart button shown during gameplay
 var RestartButton = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the restartButton asset
 	var btn = self.attachAsset('restartButton', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	// Handle tap
 	self.down = function (x, y, obj) {
-		// Animate press feedback
 		tween(self, {
 			scaleX: 0.9,
 			scaleY: 0.9
 		}, {
@@ -709,45 +572,37 @@
 			easing: tween.cubicOut
 		});
 	};
 	self.up = function (x, y, obj) {
-		// Animate release and restart game
 		tween(self, {
 			scaleX: 1.0,
 			scaleY: 1.0
 		}, {
 			duration: 100,
 			easing: tween.cubicIn,
 			onFinish: function onFinish() {
-				// Stop music and restart current song
 				LK.stopMusic();
 				gameActive = false;
-				// Reset note manager
 				if (noteManager) {
 					noteManager.reset();
 				}
-				// Restart the current song (not the entire game)
 				startGame();
 			}
 		});
 	};
 	return self;
 });
-// ScoreText class: animated score display (mirrors ComboText)
 var ScoreText = Container.expand(function () {
 	var self = Container.call(this);
-	// Internal Text2 for display
 	self.textObj = new Text2('', {
 		size: 120,
 		fill: 0xFFFFFF,
 		dropShadow: true
 	});
 	self.textObj.anchor.set(0.5, 0);
 	self.addChild(self.textObj);
-	// Set text and animate
 	self.setText = function (txt) {
 		self.textObj.setText(txt);
-		// Animate: pop if not empty, fade out if empty
 		tween.stop(self.textObj, {
 			scaleX: true,
 			scaleY: true,
 			alpha: true
@@ -772,9 +627,8 @@
 					});
 				}
 			});
 		} else {
-			// Fade out if empty
 			tween(self.textObj, {
 				alpha: 0
 			}, {
 				duration: 180
@@ -782,12 +636,10 @@
 		}
 	};
 	return self;
 });
-// Sparkles class: creates and animates a small particle explosion
 var Sparkles = Container.expand(function () {
 	var self = Container.call(this);
-	// Configurable parameters
 	var particleCount = 12;
 	var minSpeed = 160;
 	var maxSpeed = 360;
 	var minScale = 0.5;
@@ -795,56 +647,30 @@
 	var minAlpha = 0.7;
 	var maxAlpha = 1.0;
 	var minDuration = 320;
 	var maxDuration = 1520;
-	// Particle colors: only white to blue shades
-	var colors = [0xffffff,
-	// white
-	0xe0f7fa,
-	// very light blue
-	0xb3e5fc,
-	// light blue
-	0x81d4fa,
-	// sky blue
-	0x4fc3f7,
-	// lighter blue
-	0x29b6f6,
-	// blue
-	0x039be5,
-	// vivid blue
-	0x0288d1,
-	// deep blue
-	0x0277bd,
-	// darker blue
-	0x01579b,
-	// navy blue
-	0x3a8ee6 // main game blue
-	];
-	// Create particles
+	var colors = [0xffffff, 0xe0f7fa, 0xb3e5fc, 0x81d4fa, 0x4fc3f7, 0x29b6f6, 0x039be5, 0x0288d1, 0x0277bd, 0x01579b, 0x3a8ee6];
 	for (var i = 0; i < particleCount; i++) {
-		var angle = Math.PI * 2 * (i / particleCount); // + Math.random() * 0.3;
+		var angle = Math.PI * 2 * (i / particleCount);
 		var speed = minSpeed + Math.random() * (maxSpeed - minSpeed);
 		var vx = Math.cos(angle) * speed;
 		var vy = Math.sin(angle) * speed;
 		var scale = minScale + Math.random() * (maxScale - minScale);
 		var alpha = minAlpha + Math.random() * (maxAlpha - minAlpha);
 		var color = colors[Math.floor(Math.random() * colors.length)];
 		var duration = minDuration + Math.random() * (maxDuration - minDuration);
 		var targetAngle = Math.PI * 2 * Math.random();
-		// Use a small circle as the sparkle
 		var sparkle = self.attachAsset('sparkle', {
 			anchorX: 0.5,
 			anchorY: 0.5,
 			scaleX: scale,
 			scaleY: scale,
 			alpha: alpha,
 			tint: color
 		});
-		// Animate outward movement, fade and shrink
 		(function (sparkle, vx, vy, duration) {
 			var startX = 0,
 				startY = 0;
-			// Calculate the final position based on velocity and duration (assuming 60fps, so duration/1000 seconds)
 			var seconds = duration / 1000;
 			var finalX = startX + vx * seconds;
 			var finalY = startY + vy * seconds;
 			tween(sparkle, {
@@ -862,43 +688,36 @@
 				}
 			});
 		})(sparkle, vx, vy, duration);
 	}
-	// Destroy the container after all particles are done
 	LK.setTimeout(function () {
 		self.destroy();
 	}, maxDuration + 40);
 	return self;
 });
-// StartButton class: a tappable start button with image and animation
 var StartButton = Container.expand(function () {
 	var self = Container.call(this);
 	self.isTapped = false;
-	// Attach a big noteDot asset, centered, before the startText asset
 	var dot = self.attachAsset('noteDot', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		scaleX: 5,
 		scaleY: 5,
 		alpha: 0.85
 	});
-	// Attach the startText asset, centered, above the dot
 	var btn = self.attachAsset('startText', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		scaleX: 1,
 		scaleY: 1,
 		alpha: 1
 	});
-	// Track if animation is complete
 	self.animationComplete = false;
-	// Optional: pulse animation
 	var pulseTween;
 	function startPulse() {
-		// Manual pulse animation with rotation instead of scale
 		function animateLeft() {
 			pulseTween = tween(self, {
-				rotation: -0.1 // Small rotation to the left (in radians)
+				rotation: -0.1
 			}, {
 				duration: 1000,
 				easing: tween.cubicInOut,
 				onFinish: function onFinish() {
@@ -907,22 +726,20 @@
 			});
 		}
 		function animateRight() {
 			pulseTween = tween(self, {
-				rotation: 0.1 // Small rotation to the right (in radians)
+				rotation: 0.1
 			}, {
 				duration: 1000,
 				easing: tween.cubicInOut,
 				onFinish: function onFinish() {
 					animateLeft();
 				}
 			});
 		}
-		// Start from neutral position
 		self.rotation = 0;
 		animateLeft();
 	}
-	// Animate pop-in (longer duration)
 	self.scaleX = 0.1;
 	self.scaleY = 0.1;
 	tween(self, {
 		scaleX: 1.2,
@@ -943,29 +760,21 @@
 				}
 			});
 		}
 	});
-	// Public: set callback for tap
 	self.onTap = null;
-	// Handle tap
 	self.down = function (x, y, obj) {
-		// Only allow tap if animation is complete
 		if (!self.animationComplete) {
 			return;
 		}
 		self.isTapped = true;
-		// Stop pulse animation immediately
 		tween.stop(self, {
 			scaleX: true,
 			scaleY: true
 		});
-		// Animate tap feedback
 		self.scaleX = 1.0;
 		self.scaleY = 1.0;
-		// --- Moved start logic here ---
-		// Play start sound when start is pressed
 		LK.getSound('startSound').play();
-		// Animate exit: scale up and fade out, then destroy and start game (longer duration)
 		tween(self, {
 			scaleX: 10,
 			scaleY: 10,
 			alpha: 0
@@ -978,9 +787,8 @@
 				startGame();
 			}
 		});
 	};
-	// Clean up pulse tween on destroy
 	var origDestroy = self.destroy;
 	self.destroy = function () {
 		if (pulseTween) {
 			tween.stop(self, {
@@ -991,12 +799,10 @@
 		origDestroy.call(self);
 	};
 	return self;
 });
-// Target class: represents the target area for each lane
 var Target = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach the target asset, centered, with blue tint
 	var targetAsset = self.attachAsset('target', {
 		anchorX: 0.5,
 		anchorY: 0.5,
 		tint: 0x3a8ee6,
@@ -1014,15 +820,8 @@
 
 /**** 
 * Game Code
 ****/ 
-// Sound assets for key0 to key14
-// Falling note (white dot)
-// Tap feedback (blue highlight)
-// Lane highlight (subtle gray)
-// Sound for correct tap
-// Sound for miss
-// Music track (Ode to Joy, assumed loaded as 'odeToJoy')
 var SONGS = [{
 	"name": "Ode to Joy\r\nBeethoven",
 	"bpm": 220,
 	"pitchLevel": 0,
@@ -5321,12 +5120,8 @@
 	}],
 	"fromLibrary": true
 }];
 var songsRating = [];
-// --- Song Data: Use SONGS[0] ---
-// Each note: {lane: 0|1|2, time: ms from song start}
-// Lane 0: left, 1: center, 2: right
-// We'll map keys to lanes below.
 var songNotesRaw = SONGS[0].songNotes;
 var keyToLane = {
 	"Key0": 0,
 	"Key1": 1,
@@ -5344,36 +5139,23 @@
 	"Key13": 1,
 	"Key14": 2
 };
 var songNotes = [];
-// Song duration (ms)
 var songDuration;
-// --- Lane positions (3 columns) ---
 var laneCount = 3;
 var laneWidth = 600;
 var laneOffset = 150;
 var laneSpacing = 2048 / laneCount;
-var laneX = [laneSpacing * 0.5 + laneOffset,
-// left
-laneSpacing * 1.5,
-// center
-laneSpacing * 2.5 - laneOffset // right
-];
-// --- Visual: show hit line (subtle, not interactive) ---
+var laneX = [laneSpacing * 0.5 + laneOffset, laneSpacing * 1.5, laneSpacing * 2.5 - laneOffset];
 var hitLine;
-// --- Hit line (invisible, for reference) ---
 var hitLineYDisplay;
-// --- Instantiate 3 targets, one in each column at hitLineY ---
 var targets = [];
-// --- Note fall parameters ---
-var speedMultiplier = 1.0; // Global speed multiplier (1.0 = normal, >1 = faster, <1 = slower)
-var baseNoteTravelTime = 4000; //8000; // ms: base time from spawn (top) to hit line (bottom)
-var noteTravelTime = baseNoteTravelTime / speedMultiplier; // effective travel time, updated if speedMultiplier changes
-var hitLineY = 2000; // y position where notes should be tapped
-var baseNoteStartY = -4000; // base spawn position
-var noteStartY = baseNoteStartY; // actual spawn position (will be updated based on speedMultiplier)
-// --- State ---
-// Declare all global game objects as variables (no instantiation here)
+var speedMultiplier = 1.0;
+var baseNoteTravelTime = 4000;
+var noteTravelTime = baseNoteTravelTime / speedMultiplier;
+var hitLineY = 2000;
+var baseNoteStartY = -4000;
+var noteStartY = baseNoteStartY;
 var noteManager;
 var menuManager;
 var restartBtn;
 var songStartTime;
@@ -5383,26 +5165,21 @@
 var maxCombo;
 var lastTapTime;
 var totalNotes;
 var failedNotes;
-// --- GUI Elements ---
 var scoreTxt;
 var comboTxt;
 var menuButton;
-// --- Instantiate and add background manager ---
 var bgManager;
-// --- Lane highlights (for visual feedback) ---
 var laneHighlights;
 function startGame() {
-	// Reset state
 	if (!noteManager) {
 		noteManager = new NoteManager();
 	}
 	noteManager.reset();
 	score = LK.getScore();
 	combo = 0;
 	maxCombo = 0;
-	// Reset rating tracking
 	totalNotes = songNotes.length;
 	failedNotes = 0;
 	if (!scoreTxt) {
 		scoreTxt = new ScoreText();
@@ -5418,56 +5195,44 @@
 		LK.gui.top.addChild(comboTxt);
 	}
 	comboTxt.setText('');
 	lastTapTime = 0;
-	// Show lane highlights when game starts
 	if (laneHighlights) {
 		for (var i = 0; i < laneHighlights.length; i++) {
 			laneHighlights[i].visible = true;
 		}
 	}
-	// Show targets when game starts
 	if (targets) {
 		for (var i = 0; i < targets.length; i++) {
 			targets[i].visible = true;
 		}
 	}
-	// Show restart button when game starts
 	if (restartBtn) {
 		restartBtn.visible = true;
 	}
-	// Show menu button when game starts
 	if (menuButton) {
 		menuButton.visible = true;
 	}
 	LK.setTimeout(function () {
 		gameActive = true;
 		songStartTime = Date.now();
 	}, 1000);
 }
-// --- Main game update loop ---
 game.update = function () {
-	// Update menu manager scrolling
 	if (menuManager && menuManager.visible) {
 		menuManager.update();
 	}
-	// Update noteTravelTime in case speedMultiplier has changed
 	noteTravelTime = baseNoteTravelTime / speedMultiplier;
-	// Update noteStartY to maintain visual spacing when speed changes
 	noteStartY = baseNoteStartY / speedMultiplier;
 	if (!gameActive) {
 		return;
 	}
 	var now = Date.now();
 	var songElapsed = now - songStartTime;
-	// --- Spawn notes as their time approaches ---
 	noteManager.spawnNotes(songNotes, songElapsed, noteTravelTime, laneX, noteStartY);
-	// --- Update notes: remove notes that are far past the hit line ---
 	noteManager.cleanupNotes(songElapsed);
-	// --- Win condition: song finished and all notes handled ---
 	if (songElapsed > songDuration + 600 && noteManager.getNotes().length === 0 && gameActive) {
 		gameActive = false;
-		// Calculate star rating
 		var failureRate = totalNotes > 0 ? failedNotes / totalNotes : 0;
 		var stars = 0;
 		if (failedNotes === 0 || failedNotes === 1) {
 			stars = 3;
@@ -5477,14 +5242,12 @@
 			stars = 1;
 		} else {
 			stars = 0;
 		}
-		// Display stars
 		var starContainer = new Container();
 		starContainer.x = 2048 / 2;
 		starContainer.y = 800;
 		game.addChild(starContainer);
-		// Create and animate stars
 		var starSpacing = 150;
 		var starStartX = -(stars - 1) * starSpacing / 2;
 		for (var i = 0; i < stars; i++) {
 			(function (index) {
@@ -5494,9 +5257,9 @@
 					x: starStartX + index * starSpacing,
 					y: 0,
 					scaleX: 0,
 					scaleY: 0,
-					tint: 0xFFD700 // Gold color
+					tint: 0xFFD700
 				});
 				LK.setTimeout(function () {
 					tween(star, {
 						scaleX: 2,
@@ -5507,45 +5270,37 @@
 					});
 				}, index * 200);
 			})(i);
 		}
-		// Play cheers sound before YouWin
 		LK.getSound('cheers').play();
 		LK.setTimeout(function () {
 			restartBtn.visible = false;
 			menuButton.visible = false;
 			LK.showYouWin();
 		}, 4400);
 	}
 };
-// --- Tap input handling ---
-// Convert x to lane index (0,1,2)
 function getLaneFromX(x) {
-	// Each lane is laneSpacing wide, centered at laneX[i]
 	for (var i = 0; i < laneCount; i++) {
 		var left = laneX[i] - laneWidth / 2;
 		var right = laneX[i] + laneWidth / 2;
 		if (x >= left && x <= right) {
 			return i;
 		}
 	}
-	// Out of bounds
 	return -1;
 }
-// On tap (down) anywhere in game
 game.down = function (x, y, obj) {
 	if (!gameActive) {
 		return;
 	}
-	// Only accept taps near the hit line (±220px)
 	if (y < hitLineY - 220 || y > hitLineY + 220) {
 		return;
 	}
 	var lane = getLaneFromX(x);
 	if (lane < 0 || lane >= laneCount) {
 		return;
 	}
-	// Find the earliest untapped note in this lane within hit window
 	var now = Date.now();
 	var songElapsed = now - songStartTime;
 	var bestNote = null;
 	var bestDelta = 9999;
@@ -5559,23 +5314,19 @@
 			continue;
 		}
 		var delta = Math.abs(songElapsed - note.hitTime);
 		if (delta < 320 && delta < bestDelta) {
-			// 320ms window
 			bestNote = note;
 			bestDelta = delta;
 		}
 	}
 	if (bestNote) {
-		// Correct tap!
 		bestNote.tapped = true;
 		bestNote.showTapFeedback();
 		LK.getSound('tapGood').play();
-		// Play the corresponding key sound for this note (moved to Note.down)
 		if (typeof bestNote.down === "function") {
 			bestNote.down();
 		}
-		// Calculate points based on the distance to the hitLineY
 		var distance = Math.abs(bestNote.y - hitLineY);
 		var norm = distance / (bestNote.height / 2);
 		var points = 1;
 		if (norm <= 0.1) {
@@ -5603,12 +5354,10 @@
 		score += combo * points;
 		if (combo > maxCombo) {
 			maxCombo = combo;
 		}
-		// Update LK score system
 		LK.setScore(score);
 		scoreTxt.setText(score + '');
-		// Animate scoreTxt scale pop
 		tween.stop(scoreTxt, {
 			scaleX: true,
 			scaleY: true
 		});
@@ -5631,9 +5380,8 @@
 			}
 		});
 		if (combo > 1) {
 			comboTxt.setText('Combo x' + combo + '!');
-			// Animate comboTxt scale pop
 			tween.stop(comboTxt, {
 				scaleX: true,
 				scaleY: true
 			});
@@ -5657,11 +5405,9 @@
 			});
 		} else {
 			comboTxt.setText('');
 		}
-		// Flash lane blue
 		LK.effects.flashObject(laneHighlights[lane], 0x3a8ee6, 180);
-		// Animate corresponding target scale
 		var tappedTarget = targets[lane];
 		if (tappedTarget) {
 			tappedTarget.scaleX = 1;
 			tappedTarget.scaleY = 1;
@@ -5681,62 +5427,44 @@
 					});
 				}
 			});
 		}
-		// Remove note visually
 		tween(bestNote, {
 			alpha: 0
 		}, {
 			duration: 180,
 			onFinish: function onFinish() {
 				bestNote.destroy();
 			}
 		});
-		// Remove from notes array after fade
 		noteManager.removeNote(bestNote);
 	} else {
-		// Miss! (Tapped with no note in window)
 		combo = 0;
 		comboTxt.setText('');
 		LK.getSound('tapMiss').play();
 		LK.effects.flashObject(laneHighlights[lane], 0xff0000, 300);
-		//LK.effects.flashScreen(0xff0000, 100);
-		/* 
-		gameActive = false;
-		LK.setTimeout(function () {
-		LK.showGameOver();
-		}, 600);
-		*/
 	}
 };
-// --- Reset game on game over or win ---
 LK.on('gameover', function () {
 	LK.stopMusic();
 	startGame();
 });
 LK.on('youwin', function () {
 	LK.stopMusic();
 	startGame();
 });
-// Game initialization
 function initializeGame() {
-	// Instantiate and initialize all global objects here
 	for (var i = 0; i < SONGS.length; i++) {
 		songsRating[i] = 0;
 	}
-	// --- Instantiate and add background manager ---
 	bgManager = new BackgroundManager();
 	game.addChild(bgManager);
-	// Create menu manager
 	menuManager = new MenuManager();
 	menuManager.createMenuTiles(SONGS);
 	menuManager.onSongSelected = function (songIndex) {
-		// Hide menu
 		menuManager.hide();
-		// Update current song data
 		songNotesRaw = SONGS[songIndex].songNotes;
 		songNotes = [];
-		// Process notes for the selected song
 		for (var i = 0; i < songNotesRaw.length; i++) {
 			var note = songNotesRaw[i];
 			var lane = 0;
 			if (keyToLane.hasOwnProperty(note.key)) {
@@ -5748,16 +5476,13 @@
 				lane: lane,
 				time: note.time
 			});
 		}
-		// Update song duration with speedMultiplier applied
 		songDuration = songNotes.length > 0 ? songNotes[songNotes.length - 1].time / speedMultiplier + 1000 : 9000;
-		// Start the game
 		startGame();
 	};
 	game.addChild(menuManager);
-	menuManager.visible = false; // Initially hidden
-	// If the song uses only Key6/Key7/Key8, map them to 0/1/2, else fallback to a round-robin
+	menuManager.visible = false;
 	for (var i = 0; i < songNotesRaw.length; i++) {
 		var note = songNotesRaw[i];
 		var lane = 0;
 		if (keyToLane.hasOwnProperty(note.key)) {
@@ -5769,9 +5494,8 @@
 			lane: lane,
 			time: note.time
 		});
 	}
-	// Song duration (ms) with speedMultiplier applied
 	songDuration = songNotes.length > 0 ? songNotes[songNotes.length - 1].time / speedMultiplier + 1000 : 9000;
 	hitLine = LK.getAsset('laneHighlight', {
 		anchorX: 0.5,
 		anchorY: 0.5,
@@ -5786,50 +5510,44 @@
 	for (var i = 0; i < laneCount; i++) {
 		var target = new Target();
 		target.x = laneX[i];
 		target.y = hitLineY;
-		target.visible = false; // hide initially
+		target.visible = false;
 		game.addChild(target);
 		targets.push(target);
 	}
-	// --- State ---
-	noteManager = new NoteManager(); // Handles all notes and spawning
-	songStartTime = 0; // Date.now() when song started
-	gameActive = false; // True if game is running
+	noteManager = new NoteManager();
+	songStartTime = 0;
+	gameActive = false;
 	score = 0;
 	combo = 0;
 	maxCombo = 0;
 	lastTapTime = 0;
-	// Rating system tracking
 	totalNotes = 0;
-	failedNotes = 0; // Tracks misses and too early taps
-	// --- GUI Elements ---
+	failedNotes = 0;
 	scoreTxt = new ScoreText();
 	scoreTxt.setText(LK.getScore() + '');
 	scoreTxt.y = 0;
-	scoreTxt.visible = false; // hide initially
+	scoreTxt.visible = false;
 	LK.gui.top.addChild(scoreTxt);
 	comboTxt = new ComboText();
 	comboTxt.y = 130;
 	comboTxt.tint = 0x3A8EE6;
 	LK.gui.top.addChild(comboTxt);
-	// Add restart button to bottom right
 	if (!restartBtn) {
 		restartBtn = new RestartButton();
-		restartBtn.visible = false; // Initially hidden
-		restartBtn.x = 1900; // Move left to ensure it's fully on screen
-		restartBtn.y = 150; // Move left to ensure it's fully on screen
+		restartBtn.visible = false;
+		restartBtn.x = 1900;
+		restartBtn.y = 150;
 		game.addChild(restartBtn);
 	}
-	// Add menu button
 	if (!menuButton) {
 		menuButton = new MenuButton();
-		menuButton.visible = false; // Initially hidden
+		menuButton.visible = false;
 		menuButton.x = 200;
 		menuButton.y = 500;
 		game.addChild(menuButton);
 	}
-	// --- Lane highlights (for visual feedback) ---
 	laneHighlights = [];
 	for (var i = 0; i < laneCount; i++) {
 		var laneHL = LK.getAsset('laneHighlight', {
 			anchorX: 0.5,
@@ -5837,39 +5555,32 @@
 			alpha: 0.07,
 			x: laneX[i],
 			y: 0,
 			height: 2732,
-			visible: false // hide initially
+			visible: false
 		});
 		game.addChild(laneHL);
 		laneHighlights.push(laneHL);
 	}
-	// --- Hit line (invisible, for reference) ---
 	hitLineYDisplay = hitLineY;
-	// Show StartButton and call startGame only when tapped
 	if (typeof startBtn !== "undefined" && startBtn) {
 		startBtn.destroy();
 		startBtn = null;
 	}
 	startBtn = new StartButton();
 	startBtn.x = 2048 / 2;
 	startBtn.y = 1200;
-	// Modify start button to show menu instead
 	startBtn.down = function (x, y, obj) {
-		// Only allow tap if animation is complete
 		if (!startBtn.animationComplete) {
 			return;
 		}
-		// Animate tap feedback
 		tween.stop(startBtn, {
 			scaleX: true,
 			scaleY: true
 		});
 		startBtn.scaleX = 1.0;
 		startBtn.scaleY = 1.0;
-		// Play start sound
 		LK.getSound('startSound').play();
-		// Animate exit and show menu
 		tween(startBtn, {
 			scaleX: 100,
 			scaleY: 100,
 			alpha: 0
@@ -5878,17 +5589,14 @@
 			easing: tween.cubicIn,
 			onFinish: function onFinish() {
 				startBtn.destroy();
 				startBtn = null;
-				// Hide restart button when showing menu
 				if (restartBtn) {
 					restartBtn.visible = false;
 				}
-				// Hide menu button when showing menu
 				if (menuButton) {
 					menuButton.visible = false;
 				}
-				// Show menu manager
 				menuManager.show();
 			}
 		});
 	};