source: https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/work-number/
MusicXML 4.0 >
MusicXML reference >
Elements >
work-number
Parent element:
<work>
The element specifies the number of a work, such as its opus number.
string
None.
This element is used in the following examples:
and ,