MusicXML is the ultimate solution for those looking to publish interactive musical scores on the Internet and collaborate with musicians who use different music applications. With its design specifically for sharing sheet music files between applications and archiving them for future use, MusicXML ensures that your files can be read and used by a wide range of music notation applications both now and in the future. In the same way that MP3 files have become the go-to for sharing recorded music, MusicXML files have become the standard for sharing interactive sheet music. With over 260 applications supporting MusicXML, you can create music in one program and easily share it with others using different programs. So why wait? Save your music as a MusicXML file and see your audience grow.
https://www.musicxml.com/