source: https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/ensemble/
MusicXML 4.0 >
MusicXML reference >
Elements >
ensemble
Parent elements:
<instrument-change>,
<score-instrument>
The element is present if performance is intended by an ensemble such as an orchestral section. The text of the element contains the size of the section, or is empty if the ensemble size is not specified.
positive-integer-or-empty
None.
This element is used in the following examples: