Captain Beefheart is a guest on Late Night with David Letterman, 1983.<br>Don Van Vliet makes his first of two guest appearances on Late Night. Before hes introduced, a surprise Bob Hope Sandwich Walk-On with Late Night writer .<br>Frank Zappas appearance on Late Night With David Letterman promoting the London Symphony Orchestra album. Posted anywhere for the first time is the .<br>Dr. Demento appears on Late Night with David Letterman on May 17, 1983.<br>By request: In his first of five Late Night appearances, Iggy performs Eat or Be Eaten with the band and then chats with Dave for two full segments.