• Bob Marlette
• Producer, Engineer

• Brendan O'Brien
• Mixing

• Chris Steinmetz
• Mixing

• Jeff Tomei
• Mixing

• Eric Valentine
• Producer

• Rich Veltrop
• Assistant Engineer

• Butch Walker
• Producer, Engineer

• Andy Wallace
• Mixing

• Scott Weiland
• Producer

• Serban Ghenea
• Mixing

• Mike Plotnikoff
• Engineer, Digital Editing

• Rob Zombie
• Producer

• Unwritten Law
• Performer

• The Bloodhound Gang
• Performer

• Cole Gerst
• Art Direction

• Limp Bizkit
• Performer

• Rich Costey
• Mixing

• David Dominguez
• Engineer

• Fred Durst
• Producer, Mixing

• Frank Gryner
• Mixing

• Jordan Schur
• Executive Producer, A&R

• Queens of the Stone Age
• Performer

• Josh Abraham
• Producer, Engineer

• Markus Ulibarri
• Engineer

• Skip de Rupa
• Engineer

• Les Scurry
• Production Coordination

• Karl Egsieker
• Mixing Assistant

• German Villacorta
• Assistant Engineer

• Rusty Cobb
• Engineer

• Bill Synan
• Assistant Engineer

• März
• Programming, Producer

• Sinisstar
• Performer

• Puddle of Mudd
• Performer

• Joe Marlett
• Assistant Engineer

• Injected
• Performer

• Eric Miller
• Engineer

• Douglas Grean
• Producer, Mixing

• Jim Monti
• Mixing Assistant

• Jason Lader
• Digital Editing

• Jenn Littleton
• A&R

• Paul Hollman
• Digital Editing

• Weezer
• Performer

• Tom Lord-Alge
• Mixing

• Eddie Ashworth
• Engineer

• Howard Benson
• Keyboards

• Steve Berman
• Executive Producer

• Jonathan Davis
• Synthesizer, Producer

• Brian Gardner
• Mastering

• Don Gilmore
• Producer

• Josh Homme
• Producer

• Scott Humphrey
• Producer, Mixing

• Adam Kasper
• Mixing

• Ric Ocasek
• Producer