Biohazard about having a family changing Biohazard, missing New York, on the albums Urban Discipline and State of the World Adress. br br Watch more videos at and follow us on . Video interview with HardcoreMetal band Biohazard. FaceCulture spoke to singer and guitarist Billy Graziadei about reuniting, the new album and bassplayer and vocalist Evan Seinfeld leaving the band.