From their self-titled album, Vampire Weekend played a tight version of their new single "A-Punk" on the Late Show with David Letterman. As the band continues to pick up steam, expect them to pop up all over the place in the...

Fresh off her brilliant sophomore album, "Kala," comes this "Late Show" performance by M.I.A. Though the gunshots have been replaced by muted electronic percussion at the request of the show, the intent is obvious. "Paper...