Machine Head TITLE: Catharsis Label: Nuclear Blast - NINTH album by American heavy metal band Machine Head - Catharsis« was produced by Robb Flynn and recorded, mixed, and co-produced by Zack Ohren (FALLUJAH, ALL SHALL PERISH) at Sharkbite Studios in Oakland, CA. Mastering was handled by Ted Jensen (HATEBREED, ALICE IN CHAINS, DEFTONES) at Sterling Sound, New York, NY. Cover photography was created by Seanen Middleton. CD and DVD