In the "commercials that do not suck" files...just heard the original Charles Wright and the Watts song in a random commercial for some random product "I'm expressing with my full capabilities, now I'm living in correctional facilities" is possibly the greatest opening line in any rap song ever
Ballad for a Soldier - recorded in 1969, but not released until 1971 due to "legal issues" on Leon Russell and Marc Benno's Asylum Choir II LP.