<solo>

In this example, the application has two sounds for a single MusicXML sound ID. The primary attribute for the <solo> element specifies which application sound ID to use when importing a MusicXML file.

<sounds> <sound primary="yes" id="brass.euphonium"> <solo primary="yes">c4b56ec1-51d3-4f98-b740-7d613dd893f9</solo> <solo primary="no">8b775b5f-90be-4922-8dee-2b82d3ac294b</solo> </sound> </sounds>