Margie Day was an American R&B and jazz singer who gained prominence in the 1950s. Known for her strong and expressive voice, Day had her breakthrough with the Griffin Brothers Orchestra, achieving chart success with songs such as "Street Walkin' Daddy" and "Little Red Rooster". Her distinctive style, blending R&B with elements of jazz and blues, made a significant contribution to the evolution of R&B music during this period. Despite her relatively short recording career, Day's works have influenced many soul and jazz artists in the subsequent decades.