Some of my fav supergroups:

**Beck, Bogert & Appice**

Jeff Beck (The Yardbirds, The Jeff Beck Group)
Tim Bogert (Vanilla Fudge, Cactus)
Carmine Appice (Vanilla Fudge, Cactus)

https://youtu.be/xyyhm1D7zlI

**Bad Company**

Paul Rodgers (Free)
Mick Ralphs (Mott the Hoople)
Boz Burrell (King Crimson)
Simon Kirke (Free)

https://youtu.be/9YEmC6cTXKY

**Mr. Big**

Eric Martin (Eric Martin Band)
Billy Sheehan (Talas, David Lee Roth, Greg Howe...)
Paul Gilbert (Racer X)
Pat Torpey (The Knack, Ted Nugent, Impelliteri...)

https://youtu.be/3A-2D5AkE3I

**Black Country Communion**

Glenn Hughes (Deep Purple, Trapeze...)
Joe Bonamassa 
Jason Bonham (UFO, Foreigner, Led Zeppelin reunion)
Derek Sherinian (Dream Theater, Alice Cooper, Yngwie Malmsteen, Billy Idol)

https://youtu.be/KNFmtxlLU4w

**The Winery Dogs**

John Sykes (Tygers of Pan Tang, Thin Lizzy, Whitesnake, Blue Murder, solo)
Mike Portnoy (Dream Theater, Liquid Tension Experiment, OSI, Transatlantic, Adrenaline Mob)
Billy Sheehan (Talas, UFO, David Lee Roth, Mr. Big, Niacin, solo)

https://youtu.be/BdfqZoz2ajE