===================================================================
--- original.js
+++ change.js
@@ -97,8 +97,9 @@
 
 /**** 
 * Game Code
 ****/ 
+LK.playMusic('backgroundMusic');
 var canDoubleJump = true;
 var framesPerShadow = 4;
 var showShadow = true;
 game.score = 0;
@@ -186,9 +187,9 @@
 		}
 	}
 	// Spawn the shadows every few frames, while the cat is in the air
 	if (bird.isInAir && showShadow && LK.ticks % framesPerShadow == 0) {
-		var shadow = game.addChildAt(new Shadow(), 1); //game.getChildIndex(bird)); // Add a shadow particle behind the bird
+		var shadow = game.addChildAt(new Shadow(), game.getChildIndex(bird)); // Add a shadow particle behind the bird
 		shadow.x = bird.x; // Position the shadow at the bird's current position
 		shadow.y = bird.y;
 		shadow.graphics.scale.x = bird.graphics.scale.x; // Ensure the shadow graphics scale x matches the bird at the time it's spawned
 	}