Did You Know That Members of Alt-Rock Outfit Smashing Pumpkins and Boy Band Hanson Once Formed a Supergroup?
This Short-Lived Rock Supergroup Formed By Members of Journey and Santana Should Have Lasted Much Longer Than a Year
This Psychedelic Supergroup From the 2000s Was Made up of Wildly Different Musicians From Rock, Alt-Metal, and Jam Bands
This Heavy Metal Group Was Supposed To Be a Supergroup, but It Was Credited to Just One Very Famous Person
