Arctic Monkeys are an indie rock band formed in Sheffield, South Yorkshire, England in 2002 after meeting at Stocksbridge High School. The band consists of Alex Turner (vocals, guitar), Jamie Cook (guitar), Nick O'Malley (bass) and Matt Helders (drums, vocals). Founding bassist Andy Nicholson left in 2006. The band has released four studio albums, "Whatever People Say I Am, That's What I'm Not" (2006), "Favourite Worst Nightmare" (2007), "Humbug" (2009) and "Suck It and See" (2011), all of which debuted at #1 on the UK Albums Chart. Their fifth, "AM", will be released on 9 September 2013.