private void CreateNoteGlyph(Note n)
{
var tr = (TabBarRenderer)Renderer;
var noteNumberGlyph = new NoteNumberGlyph(0, 0, n);
var l = n.Beat.Voice.Bar.Staff.Track.Tuning.Length - n.String + 1;
noteNumberGlyph.Y = tr.GetTabY(l, -2);
noteNumberGlyph.Renderer = Renderer;
noteNumberGlyph.DoLayout();
NoteNumbers.AddNoteGlyph(noteNumberGlyph, n);
}