Credits

Coldplay: Producer, Engineer, String Arrangement
Chris Martin: Guitar, Piano, Vocals
Phil Harvey: Management
Audrey Riley: Strings, String Arrangement
George Marino: Mastering
Andrea Wright: Assistant
Anne Lines: Strings
Ben Thackeray: Assistant
Blue Source : Artwork Direction
Chris Tombling: Strings
Dan Keeling: A & R
Danton Supple: Mixing
Leo Payne: Strings
Peter Lale: Strings
Richard George: Strings
Rik Simpson: Engineer
Susan Dench: Strings
Jon Buckland: Guitar
Tom Sheehan: Photography
Jon Bailey: Assistant
Mark Pythian: Additional Production, Mixing, Recording
Zed Nelson: Photography
Guy Berryman: Bass
Laura Melhewish: Strings
Sølve Sundsbø: Artwork
Will Champion: Drums, Percussion
Jon Withnal: Assistant
Ken Nelson: Producer