Andy Howlett Brooke Smith Bryan Foley Caleb Spillyards David Ross Drentch Eric Stern Franco Herrero Fred McLean Grae McCullough James Henn Jeff Czum (Cute is What We Aim For) Jeff Serdins Jimmy Dormire  Jim Denney John Ganske John "Ratso" Gerardi John David Price Johnathan Wood Josh Cupp (In Stereo) Josh Jaques Lou Mueller Michael Shawn Paul Eaton (Phunkyman) Paul Olsen Phil Hughley Randy Fazekas (Fazeblaze) Rick Derringer Scott Wilson Steve Mueller Tim Miner Tom Gaynor Vocal Booth Sound Rooms Wes Boatman William "Buddy" Masters