def _setup_drumgroup(self):
self._drumgroup = MonoDrumGroupComponent(
translation_channel=PAGE1_DRUM_CHANNEL,
set_pad_translations=self.set_pad_translations)
self._drumgroup._on_selected_track_changed.subject = None
self._drumgroup.translation_channel = PAGE1_DRUM_CHANNEL
self._drumgroup.layer = Layer(priority=6,
matrix=self._matrix.submatrix[:4, :4])
self._drumgroup.set_enabled(False)
