Brackets are combined with words in a variety of modern directions. The line-end attribute specifies if there is a jog up or down (or both), an arrow, or nothing at the start or end of the bracket. If the line-end is up or down, the length of the jog can be specified using the end-length attribute. The line-type is solid if not specified.
The
<bracket>element.Brackets are combined with words in a variety of modern directions. The line-end attribute specifies if there is a jog up or down (or both), an arrow, or nothing at the start or end of the bracket. If the line-end is up or down, the length of the jog can be specified using the end-length attribute. The line-type is solid if not specified.
See
https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/bracket/