Curtis Mayfield's artistry expanded as his career progressed, yet his vocal performances remained steadfast in their full-hearted sincerity. The beaming ballad “I'm So Proud” borrows inspiration from Sam Cooke while adding velvety harmonies; “Eddie You Should Know Better” takes a long and humanist view of the drug game's traps; and “Between You Baby and Me” finds him sweetly sparring with protégé Linda Clifford.