On lp Les McCann Plays The Hits. Author Gene McDaniels was a friend of Les McCann and recorded A Hundred Pounds Of Clay under his own name (see there).
Les McCann & Eddie Harris [on lp Swiss Movement, recorded live at Montreux the year before]
Roberta Flack [also recorded Les McDaniels' Feel Like Making Love, while she was discovered by Les McCann]
Eugene McDaniels [author; shelved]
Tino Gonzales [with Popa Chubby]
Ray Charles [with Leela James]