Glock – cover Authority (Biohazard) – Prudence Hardcore Fest.wmv Jul 28, 2015 Cover, Cover Authority, Cover Biohazard, Cover Hardcore, Cover Metal, Mata Leao, No Holds Barred (Live In Europe), Prudence Hardcore Fest Hangar Bar – Curitiba 13/12/08. Like 0 Thanks! You've already liked this « Heart of Gold – BioHazard (Acoustic Guitar and Vocals – Neil Young Cover) » Biohazard – Resist Drum Cover