Thinking a little more, I guess I would actually expect it to look a bit more like save myNote as C1 save myPlayable = myNote for 1b do play

Thinking a little more, I guess I would actually expect it to look a bit more like save myNote as C1 save myPlayable = myNote for 1b do play myPlayable save myNote as myNote + 1 while (myNote < C2) (That is, the dot notation looked out of place given your language.)