extends Node @warning_ignore("unused_signal") signal chord_changed(chord: String) @warning_ignore("unused_signal") signal loop_changed(state: bool) @warning_ignore("unused_signal") signal note_volume(vol: float) @warning_ignore("unused_signal") signal chord_volume(vol: float) @warning_ignore("unused_signal") signal rhythm_volume(vol: float) @warning_ignore("unused_signal") signal rhythm_tempo(tempo: float)