Source Volume
Capture the source volume name of the parent work of an entry within the entry metadata as metaDescribes with predicate="parentTitle".
metaItem[@about="e"]/metaDescribes[@about="parentTitle"]
The list of allowed values are:
- Opera
- Jazz
- AmeriGrove
- Instruments
<metaItem about="e">
<metaDescribes predicate="parentTitle">AmeriGrove</metaDescribes>
</metaItem>