// Access text field
    void Start()
    {
        globalData  = ChangeSceneScript.Instance;
        updateField = true;

        // Get music configuration
        musicToggle.isOn = globalData.musicOn;


        // Add listener to change of toggle
        musicToggle.GetComponent <Toggle> ().onValueChanged.AddListener(
            delegate {
            globalData.setMusic(musicToggle.GetComponent <Toggle>().isOn);
        });

        // Add listener to Play button
        playButton.onClick.AddListener(() => {
            globalData.ChangeScene();
        });
    }
 public void setMusic()
 {
     globalData.setMusic(musicToggle.isOn);
 }