         }
         mediaController.mediaPlayer = FileMediaPlayer(
             player: player, fileName: fileName, artistName: artistName, delegate: self)
+        listButton.isHidden = true
         controller.dismiss(animated: true) {
             self.mediaController.play()
         }

    private let mediaController = MediaController()

    private var playbackButton: UIButton!
    private let backgroundImageView = UIImageView()
    private let albumImageView = UIImageView()
    private let songLabel = MarqueeLabel(frame: .zero, duration: 8, fadeLength: 8)

        didPickMediaItems mediaItemCollection: MPMediaItemCollection)
    {
        mediaController.mediaPlayer = SystemMediaPlayer(queue: mediaItemCollection, delegate: self)
        listButton.isHidden = false
        mediaPicker.dismiss(animated: true) {
            self.mediaController.play()
        }
