2880 Compressed MusicXML 3.1+ This is a ZIP container version of the MusicXML format, an XML based format. It was designed for sharing sheet music files between applications, and for archiving sheet music files for use in the future. 299 Brigham Young University / Brigham Young University 19 Apr 2024 This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures. 19 Apr 2024 application/vnd.recordare.musicxml MIME fmt/2005 PUID mxl File extension