/// <summary>
 /// Play the given clip. If 'duration' LT 0, then it will be length of clip.
 /// </summary>
 /// <param name="clip"></param>
 /// <param name="options"></param>
 public AudioID PlaySFX(AudioClip clip, AudioOptions options)
 => audioID = AudioManager.PlaySFX(clip, options);
 public void PlaySound()
 {
     audioID = AudioManager.PlayBackgroundTrack(
         music, music.Options);
 }
 public void PlaySFX(RichAudioClip clipRef)
 => audioID = AudioManager.PlaySFX(
     clipRef.AudioClip, clipRef.Options);
 public void PlaySFX(AudioClip clip)
 => audioID = AudioManager.PlaySFX(clip);
 public void PlaySFX()
 => audioID = AudioManager.PlaySFX(clip.AudioClip, clip.Options);
 public AudioID PlayBackgroundTrack(AudioClip clip,
                                    AudioOptions options)
 => audioID = AudioManager.PlayBackgroundTrack(clip, options);
 public AudioID PlayBackgroundTrack(AudioClip clip)
 => audioID = AudioManager.PlayBackgroundTrack(clip);