The Blue Boys were a prominent country and rockabilly band in the mid-20th century, backing the legendary Jim Reeves. The group's style was characterized by a clean, polished sound that blended country twang with smoother pop influences. Notable members included guitarist Leo Jackson and pianist Dean Manuel, both of whom contributed significantly to the band's unique sound. The Blue Boys are best known for their work on Reeves' influential hits such as "He'll Have to Go" and "Four Walls", thus playing a critical role in shaping the Nashville Sound of the 1960s.