Added amplitude variation.
Changed "measure size" to "frame size".
Fixed bug where it was recursizely entering the recompose loop when cascading UI controls (min note, max note, frame size) were changed.
Changed add voice so it automatically increments the song number.
Removed "Arabic-ish" scales from UI and re-ordered remaining scales by lowness of overall dnoms of notes relative to each other (for scales with the same number of notes).