public override void ChangeAudioSource(AudioPlayer player)
 {
     Console.WriteLine("Changing Audio Source to Radio.");
     player.State = new RadioState();
 }
 public override void PressPause(AudioPlayer player)
 {
     Console.WriteLine("Pausing MP3.");
     musicPlaying = false;
 }
 public abstract void ChangeAudioSource(AudioPlayer player);
 public override void PressPlay(AudioPlayer player)
 {
     Console.WriteLine("Playing MP3.");
     musicPlaying = true;
 }
 public abstract void PressPause(AudioPlayer player);