MusicPlayer.PlayMusic C# (CSharp) Method

    public void PlayMusic()
    {
        if(MusicPlayType.PLAY.Equals(this.playType))
        {
            GameHandler.GetMusicHandler().Play(this.musicClip);
        }
        else if(MusicPlayType.STOP.Equals(this.playType))
        {
            GameHandler.GetMusicHandler().Stop();
        }
        else if(MusicPlayType.FADE_IN.Equals(this.playType))
        {
            GameHandler.GetMusicHandler().FadeIn(this.musicClip, this.fadeTime, this.interpolate);
        }
        else if(MusicPlayType.FADE_OUT.Equals(this.playType))
        {
            GameHandler.GetMusicHandler().FadeOut(this.fadeTime, this.interpolate);
        }
        else if(MusicPlayType.FADE_TO.Equals(this.playType))
        {
            GameHandler.GetMusicHandler().FadeTo(this.musicClip, this.fadeTime, this.interpolate);
        }
    }

 void OnTriggerEnter(Collider other)
 {
     if (other.CompareTag("Player"))
     {
         musicPlayer.PlayMusic(musicIndex_Enter);
     }
 }