| John 5 | Rob Zombie |
| Willie Adler | Lamb of God |
| Martin Barre | Jethro Tull |
| Eric Bass | Shinedown |
| Mychael Bingham | NearMiss |
| Bob Birch | Elton John |
| Geoff Black | Cherryfix |
| Alex Bodnar | Scott Stapp |
| Tommy Burns | Billy Joel band |
| Rob Caggiano | Anthrax |
| John Campbell | Lamb of God |
| Phil Campbell | Mötorhead |
| Vivian Campbell | Def Leppard |
| Ben Carey | Lifehouse |
| Bruce Childress | Droid |
| Eric Clapton | Eric Clapton |
| Phil Collin | Def Leppard |
| Duke Collins | Droid |
| Robert Cray | Robert Cray |
| David Crosby | CSN |
| Chuck D | Public Enemy |
| Phil Demmel | Machine Head |
| John "JD" DeServio | Black Label Society |
| Ani DiFranco | Ani DiFranco |
| Billy Duffy | The Cult / Circus Diablo |
| Rich Eckhardt | Toby Keith |
| EMILY | Cherryfix |
| Lita Ford | Solo |
| JJ French | Twisted Sister |
| Abby Gennet | Slunt |
| Shaun Glass | Soil |
| Dan Grennes | Bombsquad |
| Tom Hamilton | Aerosmith |
| Leroy Harper | James Brown Soul Generals |
| Pat Harrington | Slunt |
| Ryan Hayden | Chicago Typewriter |
| Steve Henderlong | 39 Stripes |
| Jeremy Hernandez | NearMiss |
| Scott Henry | Norma Jean |
| Mike Herrera | MxPx |
| Greg Hetson | Bad Religion |
| Scott Ian | Anthrax |
| Tony Iommi | Black Sabbath / Heaven & Hell / Iommi |
| Eddie Jackson | Queensryche |
| Javon Jackson | Javon Jackson |
| Davey Johnstone | Elton John |
| Pepper Keenan | Down / Corrosion of Conformity |
| Lemmy Kilmister | Motorhead |
| Tim King | Soil |
| Fred Leclercq | Dragonforce |
| Geddy Lee | Rush |
| Herman Li | Dragonforce |
| Dan Malsh | Cherryfix |
| Thomas Martini | Distorted Voices |
| Buzz McGrath | Unearth |
| Mile Mills | REM |
| Zach Myers | Shinedown |
| Graham Nash | CSN |
| Adam Nordwayer | Crash Romeo |
| Tim O'Grady | Cherryfix |
| Tim "Ripper" Owens | Yngwie Malmsteen / Beyond Fear / ex-Judas Priest |
| Brad Paisley | Brad Paisley |
| Chris Parmelee | Chicago Typewriter |
| Joe Perry | Aerosmith |
| Alan Robert | Life of Agony / Spoiler NYC |
| John Rzeznik | Goo Goo Dolls |
| Snake Sabo | Skid Row |
| Nick Singelton | Echo Screen |
| Todd Smallwood | Mic Fleetwood band / Solo Artist |
| Brice Soderberg | Lifehouse |
| Jo-el Sonnier | Independent |
| Brad Stewart | Shinedown |
| Steven Stills | CSN |
| Mike Stone | Queensryche |
| Ken Susi | Unearth |
| Robby Takac | Goo Goo Dolls |
| Jamie Teissere | Droid |
| Adrian Terrazas-Gonzalez | The Mars Volta |
| Jasin Todd | Shinedown |
| Sam Totman | Dragonforce |
| Jason Wade | Lifehouse |
| Roger Waters | Roger Waters |
| Leslie West | Mountain |
| Brad Whitford | Aerosmith |
| Kirk Windstein | Down / Crowbar |
| Tom Wisniewski | MxPx |
| Ali Wood | Metaphor |
| Mark Wood | Trans-Siberian Orchestra / Solo / Billy Joel |
| Joey Z | Life of Agony / Carnivore |
| Adam Zadel | Soil |
