Notes and rests notation

	Whole-note. An open note-head without stem.
	Half-note. An open note-head with stem.
	Quarter-note. A closed note-head with stem.
	Eighth-note. A closed note-head with stem and one hook.
	Sixteenth-note. A closed note-head with stem and two hooks.
	Thirty-second-note. A closed note-head with stem and three hooks.
	Whole-rest.
	Half-rest.
	Quarter-rest.
	Eighth-rest.
	Sixteenth-rest.
	Thirty-second-rest.