Guests: --Diana Ross & the Supremes - ""Love Child,"" ""I'm Living In Shame"" & ""I Get A Kick Out of You"" --Henry Mancini (with orchestra) - ""Conquest"" --Johnny Mathis - Latin medley and ""Moment to Moment"" --Johnny Mathis with Mancini's orchestra - Henry Mancini medley: ""Dear Heart,"" ""Days Of Wine & Roses"" & ""Moon River"" --Rodney Dangerfield (stand-up comedy) --Burns & Schreiber (stand-up comedians) - routine about machines. (Avery Schreiber acts like a machine complete with sound effects) --Peter Gennaro (dances to ""Strangers in the Night"") --Shani Wallis - ""I Can't Give You Anything But Love"" --Shani Wallis - ""As Long As He Needs Me"" (from "" Oliver"") --Rolan Brothers (balancing act) --Audience bows (cameos): Jack Lord; Jean Claude Killy (Olympic skier)