The band Death is made up of 3 African American brothers Bobby, Dannis, and David they formed in the 1970s from Detroit Michigan . They were grunge rock and they were steering away from the "Motown sound" . The brothers were inspired by The Who after seeing them in concert to stick to their guns and play rock music.
https://m.youtube.com/watch?v=uAZ9R2t5Jd0
The song is 'Keep on Knocking' (1975)