 
     playButton.setImage(#imageLiteral(resourceName: "PlayButton"), for: .normal)
     playButton.sizeToFit()
-    playButton.addTarget(self, action: #selector(play as (Void) -> Void), for: .touchUpInside)
+    playButton.addTarget(self, action: #selector(play as () -> Void), for: .touchUpInside)
     addSubview(playButton)
 
     playButton.translatesAutoresizingMaskIntoConstraints = false

    audioPlayer.play()
  }

  func play() {
    audioPlayer.play()
  }

  func pause() {
    updateNowPlayingTime()
    audioPlayer.pause()
  }

  func togglePlayPause() {
    if audioPlayer.rate > 0 {
      pause()
    } else {

    mpic.nowPlayingInfo?[MPNowPlayingInfoPropertyElapsedPlaybackTime] = audioPlayer.currentTime().seconds
  }

  @objc func progressBarTapped(recognizer: UITapGestureRecognizer) {
    guard let view = recognizer.view else { return }

    let pt = recognizer.location(in: view)
