Simon House, Billy Sherwood & Nektar

Steve Lukather (Toto)

Geoff Downes (Asia)

Malcolm McDowell (A Clockwork Orange)

Robby Krieger (The Doors)

Billy Sherwood

Tony Kaye

The Prog Collective

White Fang

Billy Sherwood (Yes) & Vinnie Coliauta

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

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

Chris Squire (Yes) & Alan White (Yes)

Adrian Belew (King Crimson)

John Wetton (Asia)

Keith Emerson (ELP)

Ian Anderson (Jethro Tull)

Larry Fast

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

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)

Billy Sherwood (Yes) & Keith Emerson (ELP)

Dweezil Zappa & Tony Kaye (Yes)