Earth, Wind & Fire (guest hosts) - ""Shining Star,"" ""Mighty Mighty,"" ""Devotion"" & ""Yearning Learning"" --LaBelle - ""Lady Marmalade,"" ""What Can I Do For You?"" ""Are You Lonely"" & ""Happy Feelin'"" --Melissa Manchester - ""Just Too Many People,"" ""Party Music"" & ""Midnight Blue"" --Leo Sayer - ""Long Tall Glasses"" & ""In My Life"