background vocals : nathan connolly , gary lightbody bass : mark mcclelland cello : james banbury engineers : michael bannister , dan swift drums : jonny quinn guitar : gary lightbody , nathan connolly lyrics : gary lightbody mixer : chris lord-alge , snow patrol musical composition : iain archer , nathan connolly , gary lightbody , mark mcclelland , lee potter ( '' post punk progression '' / '' ppp '' only ) , jonny quinn producer : garret '' jacknife '' lee , snow patrol photography : ernst fischer string arrangement : james banbury string arrangement assistant : jeff mclaughlin viola : bruce white violin : alison dodds , fiona mccapra vocals : gary lightbody charts leona lewis version in 2008 , british singer leona lewis covered '' run '' on bbc radio 1 's live lounge on 31 october 2007 .