The Ritchie Blackmore Story traces the long and winding road of the guitar legend — from his early days as a session player (with legendary producer Joe Meek) and his early ’60s combo the Outlaws up through his years guiding one of hard rock’s finest bands, Deep Purple, and into his recent work with Blackmore’s Night.

At 14, best friends Robb Reiner and Lips made a pact to rock together forever. Their band, Anvil, hailed as the “demi-gods of Canadian metal, ” influenced a musical generation that includes Metallica, Slayer, and Anthrax,. Following a calamitous European tour, Lips and Robb, now in their fifties, set off to record their 13th album in one last attempt to fulfill their boyhood dreams

The film discusses 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.