From Game Making Tools Wiki
Oblivion logo. Bold, serif, purple text with a green glow, on a swurly grey background.
Release date: 1999
Made by: Tom/Cynique
Runs on: Windows
Imports: .MID
Exports: .MID

Oblivion is a generative musical instrument for Windows. You set which (MIDI) instruments to use, a scale, a key, a mood, etc., and it will play you a song.