While best known for the timeless classic "War" and "25 Miles", the truth is that Edwin Starr made a lot of great records in the 60s and 70s, including "Stop Her On Sight (S.O.S.)", "Headline News", the psychedelic "You've Got My Soul On Fire", "Stop The War Now", music from the soundtrack to "Hell Up In Harlem" and the late 70s hit "Contact", among others. Ranging from Northern Soul on the Ric-Tic label to topical psych-funk (produced by Norman Whitfield) to disco, his strong voice always blew these ears away.
And there was this funky number from the flick Hell Up In Harlem, sampled nicely on "High Rollers" by Ice T. Dig the OG: