On November 5, 2010, he appeared on Late Show with David Letterman playing a comedic version of "Dueling Banjos" alongside Martin, and later performed with Martin and Punch Brothers.
In his famous scene, Redden plays the instrumental "Dueling Banjos" opposite actor Ronny Cox on guitar.
It has been reported, for example, that Benson would order his staff to edit "Dueling Banjos" by Eric Weissberg and Steve Mandell out of the TM reels with a razor blade and a marker because of the song's association with a movie (1972's Deliverance) featuring sodomy; however, the staffers sometimes reportedly slipped the song in anyway just for laughs.