code: public Note[] getNotesBeginningTie() {
  	  Vector notesBT = new Vector(m_notes.size());
  	  for (int i=0; i<m_notes.size(); i++)
  		  if (((Note)m_notes.elementAt(i)).isBeginningTie())
  			  notesBT.addElement(m_notes.elementAt(i));
  	  if (notesBT.size()>0) {
  		  Note[] notesBTasArray = new Note[notesBT.size()];
  		  notesBT.toArray(notesBTasArray);
  		  return notesBTasArray;
  	  }
  	  else
  		  return null;
    }
docs: Returns the notes from this multinote that begin a tie.
  @return Te notes from this multinote that begin a tie. <TT>null</TT> is
  returned if no note begins a tie.
  @see Note#isBeginningTie()