--Steve Lawrence & Eydie Gorme (co-hosts) - ""Come Back to Me,"" ""Walk On By,"" ""You and I,"" ""The Honeymoon Is Over,"" ""Didn't We?"" and ""Hurry Home for Christmas"" --Sonny & Cher - ""I'm Gonna Hold You Tighter"" --Sonny & Cher, Steve & Eydie - ""The Look of Love,"" ""Go Away, Little Girl"" & ""What the World Needs Now"" --Sid Caesar (comedian) --The Carnival (Brazilian rock group) - ""Laia Ladaia"" --Eydie Gorme and the Carnival - ""Son of a Preacher Man"" Comedy sketches: --Sid Caesar plays an older husband who's trying to keep up with his young wife. --Sid Caesar, Steve & Eydie parody sex education