Blood and Thunder: Into the Void: John Darnielle on Sabbath, Extreme Metal, and Indie Rock

Self-explanatory, huh? Darnielle of lo-fi, folk rockers The Mountain Goats explores the depths of metal and the tenuous relationship between mainstream, old school and indie followers of the heavy stuff. He also talks about his recent book on Black Sabbath, Masters of Reality, and the path that led him to it.