[ Ref. David Dilks in 210117 MMDigest ]

There is a lot of information at
https://midimusic.github.io/tech/sounds.html 

People who want to try this might also look at jOrgan. None of
it is really plug and play, but it all works amazingly well.

I've always thought that band organs should not be tuned in
equal temperament, and using sound fonts and jOrgan "should"
let one experiment (I haven't started on this yet).

John Daly