--Johnny Nash (guest host) - ""Stir It Up,"" ""Groovy Feeling,"" ""I Can See Clearly Now"" & ""Merry-Go-Round"" --Chi Coltrane - ""Thunder and Lightning"" & ""You Were My Friend"" --Freemen and Murray (comedy team) --Tom T. Hall - ""The Year That Clayton Delaney Died"" & ""Old Dogs, Children and Watermelon"" --Andrew Johnson (comedian) --Gladys Knight and the Pips - ""If I Were Your Woman"" & ""Neither One of Us"" --Kenny Rankin - ""You Are the Sunshine of My Life"" & ""In the Name of Love"" --The Raspberries - ""I Wanna Be with You"" & ""Let's Pretend""