Billy Graziadei

# Billy Graziadei

Billy Graziadei is an American musician best known as the rhythm guitarist and vocalist for the influential hardcore band Biohazard, where he has remained a core member throughout the group's career. His work with Biohazard helped define the sound of heavy music in the 1990s, blending metal aggression with hip-hop influences and socially conscious lyrics.

Beyond Biohazard, Graziadei has pursued various musical projects including co-leading Powerflo and fronting his solo project BillyBio. He has also contributed to notable collaborative efforts and side projects that showcase his versatility as both a guitarist and vocalist within the heavy music sphere.