"Metal: A Headbanger's Journey", is a film starring Sam Dunn (the creator of "Metal Evolution" and itdiscusses the traits and originators of some of Metal's many subgenres, including the New Wave of British Heavy Metal, Power Metal, Nu Metal, Glam Metal, Thrash Metal, Black Metal, and Death Metal. Dunn uses a family-tree-type flowchart to document some of the most popular Metal subgenres. The film also explores various aspects of Heavy Metal culture. Notable segments include Dunn taking a trip to the Wacken Open Air festival, an interview with Dee Snider providing an analysis of the PMRC attack on Heavy Metal music, and an interview with several Norwegian Black Metal bands.
Watch the entire film right here: