Credits

David Chan: Violin
William Orbit: Producer, Instrumentation, Orchestral Arrangement, Orchestration
M.I.A.: Vocals
Madonna: Producer, Executive Producer, Acoustic Guitar, Vocals
Bob Carlisle: French Horn
Julien Jabre: Guitar, Drums, Synthesizer
Martin Solveig: Drums, Producer, Instrumentation, Synthesizer
Ron Taylor: Pro Tools, Vocal Editing
Jill Dell'Abate: Production Coordination, Contractor
Jimmy Harry: Additional Production, Programming, Acoustic Guitar, Keyboards, Vocoder
Philippe Weiss: Engineer
Nicki Minaj: Vocals
Frank Filipetti: Engineer
The Demolition Crew: Producer
Klas Åhlund: Producer, Instrumentation, Vocoder
Abel Korzeniowski: Conductor
Free School: Producer
Chris Gehringer: Mastering
Guy Oseary: Management
Jean Baptiste: Vocals
Michael Tordjman: Synthesizer
Andros Rodriguez: Engineer
Elena Barere: Concert Director
Karen Karlsrud: Violin
Avril Brown: Violin
Diane Barere: Celli
Katherine Fong: Violin
Mary Hammann: Viola
Yuri Vodovoz: Violin
Robert Katz: Assistant Engineer
Giovanni Bianco: Art Direction
Marcus Piggott: Photography
Jeff Carney: Bass
Mert Alas: Photography
Stephanie Cummins: Celli
Arianne Phillips: Stylist
Anne Lehmann: Violin
Desiree Elsevier: Viola
Angie Teo: Engineer, Mixing Assistant, Assistant Engineer, Editing
David Wakefield: French Horn
Sean Carney: Violin
Alain Whyte: Instrumentation
Brad Leigh: Assistant Engineer
Liz Rosenberg: Publicity
Graham Archer: Engineer
Paul Kremen: Marketing
Jason "Metal" Donkersgoed: Engineer, Editing
Tom Ford: Wardrobe
Antonio Berardi: Wardrobe
Dov Scheindlin: Viola
Mark Baechle: Copyist
Marco Benassi: Producer
Stacey Shames: Harp
Kenta Yonesaka: Assistant Engineer
Gloria Kaba: Engineer, Assistant Engineer
Ian Kagey: Assistant Engineer
Sara Zambreno: Management
Vincent Lionti: Viola
Demacio "Demo" Castellion: Bass, Drums, Engineer, Mixing
Allessandro "Alle" Benassi: Producer
Ellen Westermann: Celli