Marion Black was an American soul singer and songwriter best known for his 1970 hit single, "Who Knows". His music was marked by raw, emotive vocals and deeply personal lyrics, often exploring themes of love and heartbreak. Despite having a relatively small discography, Black's contributions to the soul genre were significant, with his unique blend of R&B, gospel, and blues influences. His songwriting, characterized by its introspective and poetic nature, has made a lasting impact on the world of soul music.