Rock n’ roll circa 2010 is becoming an increasingly predictable affair, so, whenever a band comes along refusing to fit the mold, it usually doesn’t go unnoticed. Case in point, Boston’s Mongrel – vocalist Jessica Sierra, guitarist Adam Savage, bassist Rev, and drummer Dave Kazukiewicz.

Mongrel has toured extensively throughout the US, repeatedly sharing stages with metal and punk luminaries as diverse as The Misfits, FEAR, Korn, GWAR, Fu Manchu, Dizzy Reed (Guns N' Roses), The Exploited, P...