Mayfield!

Curtis Mayfield from the Short Eyes soundtrack.

Short Eyes/Freak, Freak, Free, Free, Free a stone jam of portent.  

From the 1977 film version of Miguel Piñero's 1974 Obie winning play.

Curtis and Freddy Fender(!), appear and perform in the film.

Boyd Rivers

Boyd Rivers from the Living Country Blues Anthology collecting 1980 field recordings

made by Axel Kuestner and Siegfried A. Christmann.  Three discs of absolutely amazing music.

Thanks to Soulfuldelica and The BWJohnson for posts.