You might look at GNU Lillypond, which might be the type of representation you are looking for, since it can be made to look like the notes of a score. Here ar

You might look at GNU Lillypond, which might be the type of representation you are looking for, since it can be made to look like the notes of a score. Here are some collections of music in that format: http://www.mutopiaproject.org/ http://www.mutopiaproject.org/ https://github.com/trending/lilypond https://github.com/trending/lilypond