Sleigh Bells is an American noise pop musical duo based in Brooklyn, New York, formed in 2008. The duo consists of vocalist Alexis Krauss and guitarist Derek Edward Miller. After signing to N.E.E.T. Recordings and Mom + Pop Music, Sleigh Bells released their debut album, Treats, in April 2010. Their follow-up album, Reign of Terror, was released in February 2012. In October 2013, the band released their third album, Bitter Rivals.