Sweet Sweetback's Baadasssss Song

Sweet Sweetback's Baadasssss Song is a 1971 American independent blaxploitation action thriller film written, co-produced, scored, edited, directed by, and starring Melvin Van Peebles. His son Mario Van Peebles also appears in a small role, playing the title character as a young boy. The film tells the picaresque story of a poor black man fleeing from the white police authorities.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster by Employee(s) of Cinemation Industries (Public domain).