system attribute (only-top)

The only-top value of the system attribute indicates that the <direction> element should only appear of the top staff of the system.

<direction directive="yes" placement="above" system="only-top">
   <direction-type>
      <words default-y="40" font-size="10" font-weight="bold">Andantino</words>
   </direction-type>
</direction>