In the 1990s Magna Carta Records released a lot of "supergroup" bands. Bands like Liquid Tension Experiment showed the world what unconstrained musicianship could sound like.
This was one of the few "supergroup" bands from that era that put out an album that you could still play many years later and appreciate not only the musicianship but the songs:
https://bozziolevinstevens.bandcamp.com/album/black-light-syndrome