Credits

John Powell: Composer, Producer
Paul Mounsey: Programming, MIDI, Arranger
Gavin Greenaway: Choirmaster, Conductor, Arranger
Jenny O'Grady: Choirmaster
Nick Wollage: Engineer, Recording
Jónsi: Composer, Producer, Mastering, Mixing, Vocals
Chris Barrett: Assistant Engineer
Isobel Griffiths: Orchestra Contractor
Perry Montague-Mason: Violin, Orchestra Leader
Patricia Sullivan Fourstar: Mastering
Robert Townson: Executive Producer
Shawn Murphy: Mixing, Recording
David Channing: Score Editor
Peter Katis: Percussion, Engineer
Richard Robson: Engineer
Adam Smalley: Editing
Metro Voices: Choir
Julie Butchko: Music Clearance
Dan Butler: Music Business Affairs
John Ashton Thomas: Supervising Orchestrator
Erik Swanson: Mixing
James McKee Smith: Programming, MIDI, Arranger
Alex Somers: Producer, Engineer, Mixing, Sampling
Germaine Franco: Programming, Arranger
Jennifer Schiller: Music Business Affairs
Liz McNicoll: Music Business Affairs
Sunny Park: Executive in Charge of Music
Fiona Cruickshank: Assistant Engineer
Marcus Viner: Assistant Engineer
Roger Tang: Music Coordinator
Dominic Lewis: Programming, MIDI, Arranger
John Traunwieser: Production Assistant