Emma Thompson, Alex Zanardi, Willie Nelson & Emmylou Harris

Late Show with David Letterman – Season 5

Dave wears glasses for the duration of the show (a sign of things to come); Sean Pelton fills in for Anton, whom Dave dubs ""Anton Zippy Stickwork;"" Wilford Brimley sits in ""Paul Shaffer's Chair of Mystery;"" Formula One racing star Alex Zanardi cooks.