var BeatColumn1 = Container.expand(function () {
	var self = Container.call(this);
	var beatGraphics = self.createAsset('beatColumn1', 'Beat Graphics Column 1', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var BeatColumn2 = Container.expand(function () {
	var self = Container.call(this);
	var beatGraphics = self.createAsset('beatColumn2', 'Beat Graphics Column 2', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var BeatColumn3 = Container.expand(function () {
	var self = Container.call(this);
	var beatGraphics = self.createAsset('beatColumn3', 'Beat Graphics Column 3', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var BeatColumn4 = Container.expand(function () {
	var self = Container.call(this);
	var beatGraphics = self.createAsset('beatColumn4', 'Beat Graphics Column 4', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player Graphics', .5, .5);
	self.dance = function () {};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var beats = [];
	var player = self.addChild(new Player());
	player.x = 2048 / 2;
	player.y = 2732 - player.height / 2;
	LK.on('tick', function () {
		player.dance();
		for (var a = beats.length - 1; a >= 0; a--) {
			var beat = beats[a];
			beat.move();
			if (player.intersects(beat)) {
				LK.effects.explode(beat);
				beat.destroy();
				beats.splice(a, 1);
			} else if (beat.y > 2732) {
				beat.destroy();
				beats.splice(a, 1);
			}
		}
		if (LK.ticks % 60 == 0) {
			var columnWidth = 2048 / 4;
			var columnIndex = Math.floor(Math.random() * 4);
			var newBeat;
			switch (columnIndex) {
				case 0:
					newBeat = new BeatColumn1();
					break;
				case 1:
					newBeat = new BeatColumn2();
					break;
				case 2:
					newBeat = new BeatColumn3();
					break;
				case 3:
					newBeat = new BeatColumn4();
					break;
			}
			newBeat.x = columnIndex * columnWidth + columnWidth / 2;
			newBeat.y = 0;
			beats.push(newBeat);
			self.addChild(newBeat);
		}
	});
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		player.x = pos.x;
	});
});

===================================================================
--- original.js
+++ change.js
@@ -34,30 +34,10 @@
 	var self = Container.call(this);
 	var playerGraphics = self.createAsset('player', 'Player Graphics', .5, .5);
 	self.dance = function () {};
 });
-var BottomBar = Container.expand(function () {
-	var self = Container.call(this);
-	var descriptions = ['Jab', 'Arm Swing', 'Chest Pop', 'Stomp'];
-	var columnWidth = 2048 / 4;
-	for (var i = 0; i < 4; i++) {
-		var descriptionText = new Text2(descriptions[i], {
-			size: 100,
-			fill: "#ffffff",
-			anchor: {
-				x: 0.5,
-				y: 0.5
-			}
-		});
-		descriptionText.x = i * columnWidth + columnWidth / 2;
-		descriptionText.y = 2732 - descriptionText.height / 2;
-		self.addChild(descriptionText);
-	}
-});
 var Game = Container.expand(function () {
 	var self = Container.call(this);
-	var bottomBar = self.addChild(new BottomBar());
-	bottomBar.y = 2732 - 100;
 	var beats = [];
 	var player = self.addChild(new Player());
 	player.x = 2048 / 2;
 	player.y = 2732 - player.height / 2;
@@ -65,11 +45,15 @@
 		player.dance();
 		for (var a = beats.length - 1; a >= 0; a--) {
 			var beat = beats[a];
 			beat.move();
-			if (beat.y > 2732) {
+			if (player.intersects(beat)) {
+				LK.effects.explode(beat);
 				beat.destroy();
 				beats.splice(a, 1);
+			} else if (beat.y > 2732) {
+				beat.destroy();
+				beats.splice(a, 1);
 			}
 		}
 		if (LK.ticks % 60 == 0) {
 			var columnWidth = 2048 / 4;