Frank Bello is an American bassist, best known for his work with the thrash metal band Anthrax. Born on July 9, 1965, in the Bronx, New York, Bello joined Anthrax in 1985 and has been a key member ever since, contributing significantly to the band's sound and success. Anthrax is recognized as one of the "Big Four" of thrash metal, alongside Metallica, Slayer, and Megadeth. Bello's energetic playing style and melodic bass lines have been vital in shaping the band's identity. Notable works include albums like "Among the Living" (1987), "Persistence of Time" (1990), and "Worship Music" (2011), which showcase his skill and creativity. Beyond his work with Anthrax, Bello has collaborated with various artists and bands, including the side project Altitudes & Attitude with Megadeth's David Ellefson. He has also made guest appearances and contributed to other music ventures. Bello's impact on music is marked by his influential role in the heavy metal scene, helping to define the genre's sound during its peak and inspiring countless musicians with his technical proficiency and stage presence.