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)