Credits
David Campbell: Strings
Jamie Muhoberac: Keyboards, Piano
Travis Barker: Drums
Serban Ghenea: Mixing
Chris Lord-Alge: Mixing
Dan Chase: Keyboards
Dr. Luke: Drums, Producer, Acoustic Guitar
Josh Freese: Drums
Max Martin: Guitar, Piano
Rob Mathes: Strings
Tim Pierce: Guitar
Tom Lord-Alge: Mixing
Butch Walker: Guitar, Bass, Producer, Percussion, Keyboards, Backing Vocals
Larry Corbett: Cello
Rob Cavallo: Producer
Chris Chaney: Bass
Doug McKean: Mixing
Greg Suran: Guitar
Paul Bushnell: Bass
Jack Daley: Bass
Leon Pendarvis: Strings
Evan Wilson: Viola
Lukasz Gottwald: Guitar, Bass, Piano
Kenny Arnoff: Drums
Deryck Whibley: Guitar, Bass, Producer, Mixing
Steve Jocz: Drums
Jim McGorman: Guitar
Abraham Laboriel Jr.: Drums