Guests: --Nancy Sinatra (with the Rutgers University Marching Band) - ""California Dreamin'"" & ""I Love Them All"" (might be ""The Boys in the Band"") --Bobby Vinton - ""Take Me In Your Arms"" & ""My Elusive Dream"" --Joan Sutherland & Marilyn Horne - ""Mira O Norma"" --Rodney Dangerfield (stand-up comedy) --Wayne and Shuster (comedy team doing a psychic skit) --Irwin C. Watson (stand-up comedian) --Trio Rennos (comic acrobats) Audience bow (cameo): Liberace --On film, a National Urban Coalition commerical promoting racial harmony. In the film, 100 figures in entertainment, business, government and sports are gathered together to sing ""Let the Sunshine In."" Appearing in this film: the cast of ""Hair,"" Henry Fonda, Leonard Nimoy, Ali MacGraw, Ed Sullivan, Ray Charles, Eli Wallach & Anne Jackson, Steve Lawrence & Eydie Gorme, Flip Wilson, Merv Griffin, Leontyne Price, Ralph Bunche, Roy Wilkins, etc. (thetvdb.com)