Credits

Rodney Jerkins: Producer, Mixing
Mark "Spike" Stent: Mixing
Space Cowboy: Programming, Producer, Engineer, Instrumentation, Backing Vocals
Teddy Riley: Producer, Mixing
Vincent Herbert: A & R, Executive Producer
Mike Daly: Assistant
Lady Gaga: Programming, Producer, Instrumentation, Piano, Vocal Arrangement, Vocals, Backing Vocals, Arranger
RedOne: Producer, Engineer, Instrumentation, Vocal Arrangement, Vocal Editing, Backing Vocals
Fernando Garibay: Programming, Producer, Instrumentation, Arranger
Gretchen Anderson: Producer
Jack Joseph Puig: Mixing
Robert Orton: Mixing
Ron Fair: Conductor, Producer, Arranger
Musicians Regiment Horns: Horn
Eric Jackson: Guitar
Julian Peploe: Art Direction
Dan Parry: Engineer, Tracking
John Goux: Guitar
Matty Green: Assistant
Paul Foley: Engineer
Tal Herzberg: Bass, Producer, Engineer
Dave Russell: Engineer, Mixing, Tracking
Peter Savic: Hairstylist
Ryan Kennedy: Assistant Engineer
Martin Kierszenbaum: A & R
Andrea Ruffalo: Production Coordination
Hedi Slimane: Photography
Ianthe Zevos: Creative Art
Jennifer Paola: A & R
Johnny Severin: Engineer, Vocal Editing
Dyana Kass: Creative Art, Marketing
Nicola Formichetti: Stylist
Eelco Bakker: Engineer
Bobby Campbell: Creative Art
Joe Cory: Assistant Engineer
Christian Delano: Engineer, Tracking
Mike "Handz" Donaldson: Special Effects, Vocal Engineer
Stacy Dulan: Backing Vocals
Lisa Einhorn Gilder: Production Coordination
Abe Laboriel, Jr.: Drums
Takayuki Matsushima: Assistant
Hisashi Mizoguchi: Vocal Engineer
Tal Oz: Assistant Engineer
Teyonie: Backing Vocals
Jonas Wetling: Engineer, Tracking
Frank Wolff: Engineer