Credits

Clinton Sparks: Producer, Keyboards
Brian May: Guitar
Clarence Clemons: Saxophone
Robert John "Mutt" Lange: Producer
Olle Romo: Programming, Engineer
Lady Gaga: Producer, Instrumentation, Keyboards, Musical Direction, Vocals, Arranger
RedOne: Programming, Producer, Engineer, Instrumentation, Vocal Editing, Backing Vocals, Arranger
Fernando Garibay: Guitar, Programming, Producer, Engineer, Instrumentation, Keyboards, Musical Direction, Backing Vocals, Arranger
Gretchen Anderson: Producer
Robert Orton: Mixing
John Harris: Mixing
DJ White Shadow: Programming, Producer, Drum Programming, Keyboards
Brockett Parsons: Keyboards
Dan Ross: Art Direction
Jimmy Iovine: Executive Producer
Bill Malina: Engineer
DJ Snake/DJ AK : Bass, Drums, Producer, Keyboards
Gene Grimaldi: Mastering
George "Spanky" McCurdy: Drums
Nick Knight: Photography, Creation
Rafa Sardina: Engineer, Mixing
Lanar Brantley: Bass, Synthesizer Bass
Dave Russell: Engineer, Mixing
Horace Ward: Engineer
Justin Shirley-Smith: Guitar Engineer
Ole Lütjens: Executive Producer
Mario Hernandez: Guitarrón, Vihuela
Brian Gaynor: Keyboards
Jennifer Paola: A & R
Kareem Devlin: Guitar
Tom Ware: Engineer
Kevin O'Dea: Editor
Troy Carter: Executive Producer, Management
Jeppe Laursen: Producer
Paul Blair: Guitar
Kamau Georges: Programming
Stephanie Amaro: Guitar
Trevor Muzzy: Guitar, Engineer, Mixing
Julien Carret: Mixing
Bill Deronde: Editor
Vincent Herbert: A & R, Executive Producer
Katie Hetland: Editor
Steve Johnson: Producer
Mo Morrison: Executive Producer
Josh Olins: Photography
Michael Polito: Associate Director, Editor
Brian Riordan: Mixing, Re-Recording Mixer
Susan Rosenberg: Marketing
Tony Rotundo: Producer
Ty Saunders: Transportation
Karen Scarminach: Production Manager
Ariel Stark-Benz: Photography
Ricky Tillo: Guitar