Dark Roots of Thrash
Dark Roots of Thrash is a double-disc live album and DVD by American thrash metal band Testament , released on October 15 , 2013 through Nuclear Blast . 
<triplet> Dark Roots of Thrash <subj> thrash metal <obj> genre <subj> Testament <obj> performer <subj> Nuclear Blast <obj> record label <triplet> Testament <subj> thrash metal <obj> genre <subj> Nuclear Blast <obj> record label