The Texas band makes their network TV debut with a performance of "Savage" from their album, "Shakedown."
Band members Scott Underwood, Pat Monahan and Jimmy Stafford discuss the recording of their new album, "California 37."
Elle performs "Playing For Keeps" from her self-titled EP.
Live On Letterman: Train, a CBS.com online concert exclusive. Recorded live at New York's Ed Sullivan Theater on Monday, August 20, 2012