Plot: Gladys Knight and the Pips (guest hosts) - ""Friendship Train,"" ""Daddy Could Swear I Declare,"" ""I Don't Want to Do Wrong"" & ""Neither One of Us"" --Dr. John - ""Right Place, Wrong Time"" & ""Such a Night"" --Robert Klein (comedy segment) --Skylark - ""Wildflower"" & ""Woodstock"" --The Staple Singers - ""Respect Yourself"" & ""We the People"" --John Stewart - ""Road Away"" & ""Chilly Winds""