St. Vincent - Cheerleader

Annie Erin Clark (born September 28, 1982) is an American multi-instrumentalist and singer-songwriter who performs under the moniker St. Vincent. She was a member of The Polyphonic Spree and also part of Sufjan Stevens' touring band, prior to forming her own band. Clark currently resides in Manhattan.
Her debut album, Marry Me (2007) was released to critical acclaim, and was followed by the more commercially-successful Actor (2009). Her third album, Strange Mercy, was released on September 13, 2011.
Clark has opened shows for such acts as Television, Arcade Fire, Andrew Bird, Jolie Holland, John Vanderslice, Xiu Xiu, Death Cab for Cutie, Cristina Donà and Grizzly Bear. She also worked with Bon Iver on the song "Roslyn", which appeared on the film soundtrack of The Twilight Saga: New Moon.

info: http://en.wikipedia.org/