>> Of interest is Lilypond http://lilypond.org/ > I checked it out, but Lily Pond, interesting project it is, creates > sheet music out of a text file description, not MIDI input. But it > sounds like an ideal program for creating sheet music for a song you > might already have handwritten out on manuscript. oops. Then maybe NoteEdit would be more appropriate ? http://rnvs.informatik.tu-chemnitz.de/~jan/noteedit/noteedit.html In very related topics, you could take a look at: http://www.rosegardenmusic.com/ http://ardour.org/ and http://linux-sound.org/ all sites for free software which may give you exactly what you're looking for! Happy browsing, Alex :-)