1. On, octave #1.
2. On, octave #2.
3. On, octave #3.
4. On, musical rest (mute). (blinking LED).
5. Off. (LED off).
Yup, that is precisely what I meant.
I already used it on drums (as explained earlier) and it is really good for making that hit that only comes once in a while. Plus you may choose to have a random pick between several sounds that may come with the chosen probability.