     // Screen Buttons [Sam]
     var playButton = SKSpriteNode(imageNamed: "playnow.png")
     var menuButton = SKSpriteNode(imageNamed: "menu.png")
+    var backgroundMusicPlayer : AVAudioPlayer!
     
     override func didMoveToView(view: SKView) {
+        self.registerAppTransitionObservers() 
+        self.playBackgroundMusic("bgMusic.mp3")
+        
         self.createPlayButton()
       
         // Texture Variables

        label.fontColor = SKColor.blackColor()
        label.position = CGPointMake(CGRectGetMidX(self.frame), CGRectGetMidY(self.frame) + 100 )
        addChild(label)

    }
    

    }
    
    func showGameOver() {
        backgroundMusicPlayer.stop()

        self.roadSpeed = 0
        self.backgroundSpeed = 0

