code: public AbcTune parse(String tune)
    {
      synchronized(m_mutex)
      {
        if (!m_isQueueManagementEnabled)
          m_queue.removeAllElements();
        m_queue.addElement(new QueueElement(new StringReader(tune), false));
        m_mutex.notify();
      }
      return null;
    }
docs: Parse the given string and creates a <TT>Tune</TT> object as parsing result.
  @param tune The abc tune, as a String, to be parsed.
  @return An object representation of the abc notation string.