Credits

Johnny Copeland: Artwork, Logo, Type
Bobby Ross Avila: Guitar, Keyboards
Gwen Stefani: Creative Director
Ewan Pearson: Programming
Mark "Spike" Stent: Mixing
Nellee Hooper: Producer
Jimmy Jam: Bass, Producer
Terry Lewis: Producer
Dallas Austin: Drums, Producer, Keyboards
Linda Perry: Guitar, Engineer, Keyboards
Bernard Sumner: Backing Vocals
Andre 3000: Producer, Keyboards, Mixing
Cutmaster Swift: Cut
Aidan Love: Programming
Tony Kanal: Programming, Producer, Synthesizer, Keyboards
Peter Hook: Bass
Mark Batson: Keyboard Bass, Keyboards
Phil Tan: Mixing
Rick Sheppard: MIDI, Engineer, Sound Design
Lisa Coleman: Keyboards
Wendy Melvoin: Guitar
Pete Novak: Engineer
Sam Littlemore: Programming
Simon Gogerly: Programming, Engineer
Jimmy Iovine: A & R
John Warren: Assistant Engineer
Rusty Anderson: Guitar
Aaron Mills: Bass
Brandon Winslow: Assistant Engineer
Doug Harms: Assistant Engineer
Francis Forde: Assistant Engineer
Ian Cross: Engineer
Jason Finkel: Assistant Engineer
Jason Lader: Programming, Engineer
John Frye: Engineer
Johnny Vulture: Guitar, Programming, Producer, Keyboards, Mixing
Kevin Kendricks: Keyboards, Piano
Mike Elizondo: Guitar, Keyboards
Mimi "Audio" Parker: Backing Vocals
Nick Ferrero: Assistant Engineer
Nick Knight: Photography
Rouble Kapoor: Assistant Engineer
Sean Tallman: Assistant Engineer
Warren Bletcher: Assistant Engineer
Tony Reyes: Guitar, Bass
David Treahearn: Assistant Engineer
Ian Rossiter: Engineer, Assistant Engineer
James "Big Jim" Wright: Keyboards
Lee Groves: Mixing Programmer
Matt Marrin: Engineer
Rob Haggett: Assistant Engineer
Glenn Pittman: Mixing, Assistant Engineer
Kevin Mills: Assistant Engineer
Mark Anthony Williams: A & R
Jolie Clemens: Layout Design, Artwork Direction
Naomi Martin: Backing Vocals
Paolo Sheehy: Assistant Engineer
Sheldon Conrich: Keyboards
Zoey Martin: Backing Vocals
IZ: Drums, Percussion