Heavy metal is a violent, head-bashing music complete, in its live performances, with its own arena of rage and celebration, the mosh pit. It is a music in the red corner of society, loud, angry, and, to a well-tuned ear, practically intolerable. And yet, the art form radiates a message about American adolescents well worth examining and comprehend | Metalheads by Jeffrey Arnett, Hardcover | Indigo Chapters