/* Perform a staff. Individual notes should have their instrument
(staff-wide) set, so we override play_element ()
/* Perform a staff. Individual notes should have their instrument
(staff-wide) set, so we override play_element ()
announce_element (Audio_element_info (instrument_, 0));
Audio_staff *audio_staff = get_audio_staff (voice);
audio_staff->add_audio_item (instrument_);
announce_element (Audio_element_info (instrument_, 0));
Audio_staff *audio_staff = get_audio_staff (voice);
audio_staff->add_audio_item (instrument_);