If you were looking for the animated film, go here.
Headbanger #1: Wha-? What's that sound!?
A musical genre originating in the 1960s and 70s, influenced by Blues and
Psychedelic Rock, emphasizing heavy, powerful sound with distorted guitars and (sometimes) extended solos.
Famous for
Heavy Metal Umlauts, as well as
MetalHeads having
huge online arguments about which bands are and aren't metal.
Heavy Metal Subgenres
For an in-depth look, see
Useful Notes on Heavy Metal and
the Map of Metal.