MusicXML 4.1 Draft > MusicXML reference > Data types > yes-no-number

yes-no-number data type

The yes-no-number type is used for attributes that can be either boolean or numeric values.

Where is this type used?

<sound> — "damper-pedal" attribute

<sound> — "soft-pedal" attribute

<sound> — "sostenuto-pedal" attribute