" Chasing Cars " is a song by Northern Irish–Scottish alternative rock band Snow Patrol , released on June 6, 2006, in the United States and July 24 in the United Kingdom as the second single of their fourth album, Eyes Open (2006). The song gained significant popularity in the US after being featured in the second season finale of the medical drama Grey's Anatomy , which aired on May 15, 2006. "Chasing Cars" was one of the songs that revealed the impact of legal downloads on single sales in the UK, selling consistently for years after its release… Released in the post-Britpop period, the song peaked at number six on the UK Singles Chart and number five on the US Billboard Hot 100 . At the 49th Annual Grammy Awards 2007, "Chasing Cars" was nominated for Best Rock Song , and at the 2007 Brit Awards it was nominated for Best British Single . – source