Chorale: Translate `checkForParallel`.
Chorale: Faithful translation of `find-triad-beginning` that randomly picks a starting beat from one of the Bach chorales.
Chorale: Translate `cadenceCollapse`.
Chorale: Translate `findEventsDuration`.
Chorale: Maintenance. Clean up todo list a bit.
Chorale: Translate `transpoeToBachRange`.
Chorale: Translation complete! Translated `delayForUpbeat`.