void Start()
    {
        automaticPlayer = new AutomaticPlayer(musicClips);

        musicSource_        = GetComponent <AudioSource>();
        musicSource_.volume = 0.35f;

        StartAutomaticMusic();
    }
    /// <summary>
    /// That's will play all of default tracks, which are defined in list.
    /// </summary>
    public void StartAutomaticMusic()
    {
        automaticPlayer = new AutomaticPlayer(musicClips);

        musicLoop_ = StartCoroutine(automaticPlayer.LoopMusic(this, 0, PlayMusicClip));
    }