What If

Credits

• Audrey Riley
  strings
• Chris Martin
  acoustic guitar, keyboard, lead vocals, organ, piano
• Chris Tombling
  strings
• Coldplay
  producer
• Danton Supple
  producer
• Guy Berryman
  background vocals, electric bass guitar, synthesizer
• Jonny Buckland
  electric guitar
• Laura Melhuish
  strings
• Michael Brauer
  mix
• Peter Lale
  strings
• Richard George
  strings
• Susan Dench
  strings
• Will Champion
  background vocals, drums (drum set), percussion