(music-event . (arpeggio-event breathing-event extender-event span-event
rhythmic-event dynamic-event break-event percent-event
key-change-event string-number-event tie-event part-combine-event
- metronome-change-event beam-forbid-event script-event
+ beam-forbid-event script-event
tremolo-event bend-after-event fingering-event glissando-event
harmonic-event hyphen-event laissez-vibrer-event mark-event
multi-measure-text-event note-grouping-event