Overview: Curtis Mayfield (host) - ""If There's a Hell Below We're All Gonna Go,"" ""To Be Invisible,"" ""Give Me Your Love"" & ""No Thing on Me"" --The Impressions - ""I'm a Changed Man"" & ""People Get Ready"" --Gladys Knight & the Pips - ""Best Thing That's Ever Happened to Me"" & ""On and On"" --Phil Ochs - ""The Power and the Glory"" & ""Changes"" --Status Quo - ""Big Fat Mama"" --Sugarloaf - ""Green Eyed Lady"" & ""I've Got a Song""