Guests: --The Association - ""Never My Love"" & ""Along Comes Mary"" --Ray Charles - ""Marie,"" ""Eleanor Rigby"" (with Ray Block's Orchestra) & ""If It Weren't for Bad Luck"" --Liza Minnelli - ""Sweet Blindness"" & ""Simon"" --Richard Pryor (stand-up, jokes: childhood; school; God creating people; slaves; impersonates Richard Nixon) --Joan Sutherland --Jack E. Leonard (insult comedian) --The Veterans (Comic circus from Sweden; athletes try to vault) --Venezuelan Folk Ballet (colorfully costumed Venezuelans sing & dance) --Audience bow: Anna Maria Alberghetti