Al Green, Baby Huey & Baby Sitters, Bill Withers, Blackbyrds, Bobby Bland, Bobby Womack, Charles Bradley, Curtis Mayfield, Cymande, Darondo, Donny Hathaway, Labi Siffre, Lee Fields & The Expressions, Meters, Nina Simone, Roy Ayers Ubiquity, Shuggie Ottis, Syl Johnson and more...