Kingdom, as the album’s second single. "Chasing Cars" gained significant popularity in the United States after being featured on the popular medical drama Grey's Anatomy.[1] It became notable as one of the songs that revealed the impact of legal downloads on single sales in the UK. The song is Snow Patrol's biggest-selling single to date, ending 2006 as the UK's fourteenth best-selling single of the year[2] and 2007, on the strength of downloads, as the UK's thirty-fourth best-selling ...