Defecation was a collaboration between Mick Harris, formerly of Napalm d**h and currently with Scorn, and Mitch Harris, formerly of Righteous Pigs and currently with Napalm d**h. The duo managed one release, entitled Purity Dilution, which despite its relative scarcity, is considered to be an important recording among the d**h/grind-metal faithful. ~ Kirk Dombek, All Music Guide