def find_simpler(track_or_chain): return find_instrument_meeting_requirement(lambda i: hasattr(i, 'playback_mode'), track_or_chain)
def containsDrumRack(self): from pushbase.device_chain_utils import find_instrument_meeting_requirement return find_instrument_meeting_requirement(lambda i: i.can_have_drum_pads, self._adaptee) is not None
def find_drum_rack_instrument(track): return find_instrument_meeting_requirement(lambda i: i.can_have_drum_pads, track)