Al Viola was a versatile American guitarist and session musician best known for his foundational role in the early recordings of The Everly Brothers. As a member of the Cherokees, he provided the distinctive guitar work that helped define the duo's signature sound during their formative years in the 1950s. His style blended country and rock influences, contributing to the polished production values that characterized the group's initial success. Beyond his work with Don and Phil Everly, Viola maintained a steady career as a session player, lending his talents to various recordings across the Nashville and Los Angeles music scenes. His contributions remain a vital part of the rock and roll history, showcasing the importance of skilled session musicians in shaping iconic sounds.