Overview: --Helen Reddy (host) - ""Angie Baby"" --Joan Baez - ""Diamonds and Rust"" & ""Children and All That Jazz"" --Glen Campbell - ""Rhinestone Cowboy"" --Earth, Wind & Fire - ""Shining Star"" --Electric Light Orchestra - ""Can't Get It Out of My Head"" & ""Laredo Tornado"" --Freddy Fender - ""Wasted Days and Wasted Nights"" --Janis Ian - ""At Seventeen"" --LaBelle - ""Lady Marmalade"" --Minnie Riperton - ""Lovin' You"" --Neil Sedaka - medley of hits & ""Bad Blood""