code: public Collection getNotesBetween(MusicElement elmtBegin,
  			MusicElement elmtEnd) throws IllegalArgumentException {
  		return getFirstVoice().getNotesBetween(elmtBegin, elmtEnd);
  	}
docs: Returns a collection of Note between begin and end included
  
  @return a Collection of NoteAbstract (Note or MultiNote)
  @throws IllegalArgumentException
  @deprecated use {@link #getVoice(String)}.{@link Voice#getNotesBetween(MusicElement, MusicElement) getNotesBetween...}