Klaxons were an indie rock band, based in London. The band consisted of Jamie Reynolds (bass, vocals), James Righton (keyboards, vocals), Simon Taylor-Davies (guitar) and Steffan Halperin (drums). They have been on indefinite hiatus since 2014. Reynolds, Righton and Taylor-Davies formed the band in New Cross, London, United Kingdom, in 2005 Their debut single, "Gravity's Rainbow" was released on 29 March 2006 as a 500 copies limited 7-inch vinyl, decorated by the band themselves. Their first first EP, Xan Valleys, was released on 16 October 2006, and contained their first two singles alongside some remixes.