override func remoteControlReceived(with receivedEvent: UIEvent?) {
        super.remoteControlReceived(with: receivedEvent)

        print("start remote")

        if receivedEvent!.type == UIEventType.remoteControl {

            switch receivedEvent!.subtype {
            case .remoteControlPlay:
                playPressed()

            case .remoteControlPause:
                pausePressed()
            default:
                break
            }
        }

        print("finish remote")
    }