xsl sort
<xsl:for-each select="catalogo/cds/cd">
<xsl:sort select="artista"/>
<tr>
<td><xsl:value-of select="titulo"/></td>
<td bgcolor="#ffb3b3"><xsl:value-of select="artista"/></td>
<td><xsl:value-of select="editora"/></td>
<td><xsl:value-of select="preco"/></td>
<td><xsl:value-of select="lancamento"/></td>
<td><xsl:value-of select="categoria"/></td>
</tr>
</xsl:for-each>