code: public boolean hasChordNames() {
  		MusicElement currentScoreEl;
  		Iterator it = iterator();
  		while (it.hasNext()) {
  			currentScoreEl = (MusicElement) it.next();
  			if (currentScoreEl instanceof NoteAbstract) {
  				if (((NoteAbstract) currentScoreEl).getChordName() != null)
  					return true;
  			}
  		}
  		return false;
  	}
docs: Returns <TT>true</TT> if this voice has chord names, <TT>false</TT>
  otherwise.