Mac Davis (host) - ""Baby Don't Get Hooked on Me,"" ""I Believe in Music,"" ""Dream Me Home,"" ""Home"" & ""Half and Half (Song for Sara)"" --The Doobie Brothers - ""Jesus Is Just Alright"" & ""Listen to the Music"" --Waylon Jennings - ""You Can Have Her"" --Billy Paul - ""Me and Mrs. Jones"" & ""Brown Baby"" --Billy Preston - ""Blackbird,"" ""Georgia on My Mind"" & ""That's the Way God Planned It"" --Joan Rivers (comedy segment) --On film: the ""Dueling Banjos"" segment from ""Deliverance"

Bill Cosby (guest host, appearing with a band) - "Ursulena (With Your Washing Machina)," "I've Got to Be Strong" (sung by member of his group) & "I Lost My Baby At the Dance Last Night" --David Brenner (stand-up comedian) - jokes about airplanes; the moon shot; dating in New York City and King Kong --Ray Charles - "Early in the Morning" --Fanny - "All Mine" & "Last Night I Had a Dream" --Waylon Jennings - "Lovin' Her Was Easier," "Good Time Charlie's Got the Blues" & "Only Daddy That'll Walk the Line" --Billy Preston - "Will It Go Round in Circles" & "Outa-Space" --Steely Dan - "Reelin' in the Years" --Taj Mahal - talks about "Sounder," plays "Cheraw" on banjo & sings "Texas Woman Blues"

-Roy Orbison (host) - ""Oh Pretty Woman,"" ""Only the Lonely,"" ""Crying,"" ""Running Scared,"" ""Hound Dog Man"" & ""Blue Bayou"" --On film: Roy Orbison - ""The Eyes of Texas"" (from the movie ""Roadie"") --David Bowie - ""Fame"" (1970's clip) --Genesis - ""Turn It on Again"" music video --Patti LaBelle - ""I Don't Go Shopping,"" ""Give It Up"" & ""You Are My Friend"" --Billy Preston and Syreeta - ""With You I'm Born Again"" --The Rockets - ""Desire"" & ""Oh Well""