<macroSpec ident="data.CLUSTER" module="MEI" type="dt">
<desc>Tone-cluster rendition.</desc>
<content>
<valList type="closed">
<valItem ident="white">
<desc>White keys.</desc>
</valItem>
<valItem ident="black">
<desc>Black keys.</desc>
</valItem>
<valItem ident="chromatic">
<desc>Mixed black and white keys.</desc>
</valItem>
</valList>
</content>
</macroSpec>