Heh. The stuff I'm emulating is quite violently *not* GM (at least until I get the sample ROMs for the MR read), which is why I gave up on trying to make it play something Castlevania-y in favor of classical piano stuff.

I'll distract y'all with something shiny though:

http://www.vintagesynth.com/roland/s770.php

If you don't see the picture on that page load and immediately think "I want to write the driver" you probably aren't a MESSdev ;-)