I haven't seriously tried any of them, but have a look a the list at: http://lilypond.org/easier-editing.html http://lilypond.org/easier-editing.html Maybe De

I haven't seriously tried any of them, but have a look a the list at: http://lilypond.org/easier-editing.html http://lilypond.org/easier-editing.html Maybe Denemo: http://denemo.org/ http://denemo.org/