JAZZ MIDI Sequencer

First of all, I didn't make JAZZ. It was made 1994-2000 by Andreas Voss and Per Sigmond. However, the license file points out that "License is granted to copy and distribute JAZZ in its unmodified form for any purpose.", and when the creators' homepage went down permanently in 2006, I've taken it upon myself to keep this little nifty MIDI editor alive because it's very simple to use - I still use …