def METHOD_NAME(self):
    music_entries = self.module.project.get_rom_module().get_static_data().script_data.bgms__by_id
    cb_store: Gtk.ListStore = self.builder.get_object('store_track_name')
    cb_store.clear()
    cb_store.append([999, _("Invalid? (#999)"), False])
    for idx, track in music_entries.items():
        cb_store.append([idx, track.name + f" (#{idx:03})", False])
    for idx in range(0, 30):
        cb_store.append([idx, _("Random ") + str(idx), True])
    cb_store = self.builder.get_object('store_track_name_single')
    cb_store.clear()
    for idx, track in music_entries.items():
        cb_store.append([idx, track.name + f" (#{idx:03})"])