Plot: --Nat King Cole - ""My True Carrie Love,"" ""Paper Moon,"" ""Unforgettable"" and ""Day In, Day Out"" --Nat King Cole and the Young Souls - ""Get on Board!"" --Diahann Carroll (singer-actress) - sings a tribute to Ethel Waters. Songs include ""Am I Blue?"" ""Taking a Chance on Love,"" ""Happiness Is Just a Thing Called Joe,"" ""Dinah,"" ""After you've Gone"" and ""Stormy Weather"" --Paul Winchell (ventriloquist, with his dummy Jerry Mahoney) - do a ""Ben Casey"" spoof