function to fit music within a given range?

[CJ Bell]

Is there an existing function/snipped that will adjust the octave of
music to within a given range of notes? For example, I have a melody
played by many instruments in a score, but some instruments can't
reach the higher notes, so those notes must be shifted to a lower
octave; I'd like to avoid copying & rewriting that part (and
quoteDuring has become just as messy).


thanks!
-cj