protected override void OnStart()
{
Log.Info("TutorActivity", "OnStart");
base.OnStart();
_tutor = new Tutor(this);
ImageView guitarBG = FindViewById <ImageView>(Resource.Id.guitarBG);
//guitarBG.SetImageResource(Resource.Drawable.Neck_Acustic_01);
_tutor.AnimateGuitarIntro(guitarBG);
_tutor.OnIntroAnimationFinished += Tutor_OnIntroAnimationFinished;
_tutor.ReadSong();
}