Meet Dr. Doom: Pentagram’s Bobby Liebling Returns Forty years ago, with his band Pentagram, Bobby Liebling invented a style of fiendishly heavy metal that hardly anyone heard. He spent the ensuing decades in a haze of hard drugs and big trouble. Now, with the genre he spawned on the rise and a young wife via … Continue reading Meet Dr. Doom: Pentagram's Bobby Liebling Returns | SPIN.com