OptionalleadWhich slots are fresh attacks in the lead. Without it a slot counts as an attack when its note differs from the previous slot's, which reads a deliberately repeated note as a sustain.
OptionalcounterWhich slots are fresh attacks in the counter; read as leadAttacks is.
OptionalcountCount the perfect fourth among the perfect consonances when measuring
longestPerfectRun. Useful for quartal writing, where the fourth is the
interval being sustained.
Options controlling voiceIndependence.