The grace type indicates the presence of a grace note. The slash attribute for a grace note is yes for slashed grace notes. The steal-time-previous attribute indicates the percentage of time to steal from the previous note for the grace note. The steal-time-following attribute indicates the percentage of time to steal from the following note for the grace note, as for appoggiaturas. The make-time attribute indicates to make time, not steal time; the units are in real-time divisions for the grace note.
The
<grace>element.The grace type indicates the presence of a grace note. The slash attribute for a grace note is yes for slashed grace notes. The steal-time-previous attribute indicates the percentage of time to steal from the previous note for the grace note. The steal-time-following attribute indicates the percentage of time to steal from the following note for the grace note, as for appoggiaturas. The make-time attribute indicates to make time, not steal time; the units are in real-time divisions for the grace note.
See
https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/grace/