Nektar, Simon House & Billy Sherwood

Geoff Downes (Asia)

Keith Emerson (ELP)

Malcolm McDowell (A Clockwork Orange)

Robby Krieger (The Doors)

Billy Sherwood

Ian Anderson (Jethro Tull)

Tony Kaye

The Prog Collective

White Fang

Glenn Hughes (Deep Purple) & Elliot Easton (The Cars)

Tommy Shaw (Styx) & Robby Krieger (The Doors) & Geoff Downes (Asia/The Buggles)

Adrian Belew (King Crimson)

John Wetton (Asia)

Johnny O'Keefe

Larry Fast

Steve Morse (Dixie Dreggs/Deep Purple) & Billy Sherwood (Yes)

Billy Sherwood (Yes) & Vinnie Coliauta

Fee Waybill (The Tubes) & Ronnie Montrose (Montrose)

Steve Howe (Yes/Asia)

Tommy Shaw (Styx) & Larry Fast (Nektar)

Steve Lukather (Toto) & Tony Levin (King Crimson)

Billy Sherwood (Yes) & Tony Levin (King Crimson)

Adrian Belew (King Crimson) & Billy Sherwood (Yes)

Tommy Shaw (Styx) & Steve Howe (Yes/Asia)

Chris Squire (Yes) & Alan White (Yes)

Billy Sherwood (Yes) & Keith Emerson (ELP)

Dweezil Zappa & Tony Kaye (Yes)