What If

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What If · Coldplay

X & Y

℗ 2005 Parlophone Records Limited

String Arranger: Audrey Riley
Unknown: George Marino
Assistant: John Withnal
Assistant: Adam Noble
Assistant: Jon Bailey
Assistant: Jake Jackson
Assistant: Brad Spence
Assistant: Taz Mattar
Assistant: Rob Smith
Engineer: Adam Scheuermann
Engineer: Andrea Wright
Cello: Anne Lines
Engineer: Bryan Russell
Programmer: Carmen Rizzo
Engineer: Chris Athens
Guitar, Keyboards, Organ, Piano, Vocals: Chris Martin
Producer: Chris Martin
Violin: Chris Tumbling
Engineer: Dan Porter
Producer: Danton Supple
Masterer: George Marino
Violin: Greg Wilson
Bass, Guitar, Synthesizer, Vocals: Guy Berryman
Producer: Guy Berryman
Engineer: Jon Withnall
Guitar: Jonny Buckland
Producer: Jonny Buckland
Engineer, Mixer: Keith Gary
Engineer, Producer: Ken Nelson
Violin: Lavra Melhuish
Engineer: Mark Phythian
Programmer: Mark Phythian
Engineer: Mathieu LeJeune
Technician: Matt McGinn
Engineer, Mixer: Michael Brauer
Engineer: Mike Pierce
Strings, Viola: Peter Lale
Violin: Richard George
Programmer: Rob Smith
Viola: Susan Dench
Engineer: Ted Jensen
Engineer: Tim Roe
Drums, Percussion, Vocals: Will Champion
Producer: Will Champion
Engineer, Mixer: Will Hensley
Writer: Chris Martin
Writer: Guy Berryman
Writer: Jonny Buckland
Writer: Will Champion

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