features Tim Wheeler of Ash on guitar. Personnel Chris Martin – lead vocals, piano Jonny Buckland – guitar, acoustic guitar Guy Berryman – bass guitar Will Champion – drums, percussion, backing vocals Audrey Riley - string arrangement Charts and certifications Weekly charts Year-end charts Certifications References External links 2002 singles 2002 songs Coldplay songs Parlophone singles Capitol Records singles 2000s ballads Rock ballads Willie Nelson songs Song recordings produced by Ken Nelson (British record producer) Songs written by Guy Berryman Songs written by Jonny Buckland Songs written by Will Champion Songs written by Chris Martin MTV Video Music Award for Best Direction Songs about science