Francis Rocco Prestia (born November 12, 1951) is an influential American bassist, best known for his work with the funk and rock band Tower of Power. Renowned for his unique slap bass technique, Prestia's playing style incorporates elements of jazz, funk, and soul, making him a significant figure in the world of contemporary bass playing. Prestia joined Tower of Power in 1968, contributing to their distinctive sound characterized by tight horn arrangements and rhythmic grooves. His notable works include iconic tracks such as "What Is Hip?" and "Soul Vaccination," showcasing his virtuosic technique and rhythmic precision. He also played on several of the band's acclaimed albums, including "Bump City" (1972) and "Tower of Power" (1973). Prestia's impact on music extends beyond his recordings; he has inspired countless bassists across genres. His innovative approach to bass playing has been influential in the development of funk music and has earned him a dedicated following in the music community. Prestia remains active as a performer and educator, continuing to shape the future of bass playing through his teaching and performances.