This volume contains the names of over 50,000 metal bands. Presuming that each of these bands had an average of four members, and multipling that by the number of bands, one might figure that at least a quarter of a million humans have pledged allegiance to one of them at some point is his or her lifetime. Never has a genre of music relegated to the underground of a civilization had so many devotees; no radio needs to transmit the power of this...