Then it’s time for 90’s nostalgia. GENERAL ROCK is the title, general midi’s the jazz.
Little googling did not reveal there to be a specific underground sub-genre of making general midi music only. Although I wouldn’t be surprised if there was, and I just didn’t find any traces of it. It’s a wide world, and lot of wackos out there.
As I’ve said before, GM is the way I started to make computerized music back in the 20th century.
GM – awful sounds – great fun.