Bill Justis was an American composer, arranger, and saxophonist best known for his 1957 instrumental hit "Raunchy," which became a rock and roll classic and helped define the sound of early rock music. Working primarily in the 1950s and 1960s, Justis earned acclaim for his innovative arrangements and contributions to the Memphis recording scene, collaborating with Sam Phillips and Sun Records. His energetic instrumental style and production work left a lasting impact on rock and roll history.