<work count="3">Thanks for the memory</work> 
  <work count="1">The week-end of a private secretary</work> 
  <work count="6">Squeeze me</work> 
  <work count="1">Shoutin' in the Amen corner</work> 
. . .
<sortedlist>
  <xsl:for-each select="work [@count > 7]">
   <xsl:sort select="@count" order="descending" data-type="number"/>
   <xsl:copy-of select="."/>
  </xsl:for-each>
</sortedlist>