Selections, which are not listed in the printed concert program, as well as additional information, have been added as per the review published in Billboard. The review notes that Bill Cosby "conducted" the first selection (not identified) by the Nitty Gritty Dirt Band, which opened the show. Cosby's selections included "Hernia", "Buck Jones", "My Brother, Russell", "My Father", and "Frogs".
Kirby, Fred. “Bill Cosby | Nitty Gritty Dirt Band.” Billboard, 13 Mar. 1971, p. 26.