+ void add (uint8_t note, uint8_t chn);
+ void remove (uint8_t note, uint8_t chn);
+ void resolve_notes (MidiBuffer& buffer, framepos_t time);
+ void resolve_notes (Evoral::EventSink<framepos_t>& buffer, framepos_t time);
+ void resolve_notes (MidiSource& src, Evoral::MusicalTime time);