private void CreateVoiceGlyphs(Voice v)
{
for (int i = 0, j = v.Beats.Count; i < j; i++)
{
var b = v.Beats[i];
var container = new TabBeatContainerGlyph(b, GetOrCreateVoiceContainer(v));
container.PreNotes = new TabBeatPreNotesGlyph();
container.OnNotes = new TabBeatGlyph();
AddBeatGlyph(container);
}
}