This list is in progess!  As we review John's history, many more names will be added.

Abba
Air Supply
Al Hirano
Al Jarreau
Allan Holdsworth
Alphonso Johnson
Amos Garett
Amos Garrett
Andy Summers
Average White Band
Barney Kessel
Beowulf
Billy Duffy
Billy Gibbons
Bob Dylan
Bob Weir
Bob Welch
Bobby Crenshaw
Bon Jovi
Bonnie Raitt
Little Feat
Loggins & Messina
Lowell George
Mark Andes
Mark Mothersbaugh
Mark Phillips
Martin Mull
Mason Williams
Masters of Reality
Mel Torme
Merle Haggard
Metallica
Michael Anthony
Michael Hedges
Michael Jackson
Michael McDonald
Michael Rossati
Michael Shenker
Mick Taylor
Missing Persons
Mister Mister
Brett Tuggle
Brazil 77
Captain & Tenile
Carl Wilson
Carlos Rios
Carlos Santana
Carol Kaye
Charlie Sexton
Charo
Cher
Chicago
Chuck Rainey
Coco Montoya
Crosby Still & Nash
Dan Fogelberg
Dan MacKenzie
Danny Weiss
Davey Johnstone
Devo
Dokken
Don Henley
Donovan
Duran Duran
Moby Grape
Nancy Wilson
Neil Diamond
Neil Young
Nicolette Larson
Norman Brown
Oscar Castro Nieves
Pat Thrall
Paul Breare
Paul Brown
Paul Stanley
Paul Yandel
Pearl Jam
Peter Cetera
Peter Frampton
Porno for Pyros
Quiet Riot
Ramblin Jack  Elliott
Randy California
REO Speedwagon
Rick Veto
Ricki Lee Jones
Robben Ford
Earl "Chinna" Smith
Earth Wind & Fire
Eddie Money
Eddie Van Halen
Electra Flo
ELO
Elton John
Elvis
Emmy Lou Harris
Eric Clapton
Fenton Robinson
Firefall
Fleetwood Mac
Flying Burrito Brothers
Foreigner
Frank Sinatra
Frank Zappa
Fred Tackett
Gary Richrath
GE Stinson
Gene Simmons
George Lynch
Robbie Kreiger
Robin Trower
Rod Stewart
Roger McGuinn
Ron Anthony
Ry Cooder
Seals and Crofts
Shadowfax
Sophie B. Hawkins
Spirit
Stan Lynch
Steely Dan
Steppenwolf
Steve Bailey
Steve Bruton
Steve Carnelli
Steve Martin
Steve Vai
Stevie Nicks
Stuart Box
Sugie Oties
George Terry
Glen Frey
Heart
Hoyt Axton
Ira Ingber
Isley Brothers
Jack Allocco
Jack Bruce
Jackson Browne
James Burton
Jay Graydon
Jeff “Skunk” Baxter
Jeff Beck
Jeff Healey
Jerry McGee
Jim Croce
Jim Fox
Jimi Hendrix
Joe Osbourne
Joe Pass
Joe Satriani
Suicidal Tendencies
Surf Punks
The Band
The Bangles
The Beach Boys
The Beach Toys
The Blasters
The Busboys
The Byrds
The Dixie Chicks
The Doors
The Eagles
The Go Go’s
The Grass Roots
The Grateful Dead
The Knack
The Monkees
The Motels
The Police
The Red Elvises
Joe Walsh
John B. Williams
John Denver
John Entwistle
John Hartford
John Leitham
John Stewart
Johnny Rivers
Jonathan Butler
Joni Mitchell
Jose Feliciano
k.d. Lang
Katya
Keith Richards
Kenny Loggins
Kiss
Kris Kristofferson
Larry Carlton
Lee Ritenour
Lee Sklar
Lindsey  Buckingham
The Rolling Stones
Tim May
Todd Rundgren
Tom Petty
Tommy Tedesco
Tommy Tedesco
Tonight Show Band
Tony Martin Jr.
Trevor Lindsey
The Church
Tyrone Brown
Vinnie Vincent
Walter Becker
Warren Cuccurullo
Warren Zevon
Waylon Jennings
Wonderboy
X
Ziggy Marley
Zydeco Party Band
ZZ Top