The rights element is borrowed from Dublin Core. It contains copyright and other intellectual property notices. Words, music, and derivatives can have different types, so multiple rights elements with different type attributes are supported. Standard type values are music, words, and arrangement, but other types may be used. The type attribute is only needed when there are multiple rights elements.
The
<rights>element.The rights element is borrowed from Dublin Core. It contains copyright and other intellectual property notices. Words, music, and derivatives can have different types, so multiple rights elements with different type attributes are supported. Standard type values are music, words, and arrangement, but other types may be used. The type attribute is only needed when there are multiple rights elements.
See
https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/rights/