Rock:
It's a movement that maintains extremism in art and culture for its subversion, controversies and silliness," Scott said.
At least 120 scholars around the world now research heavy metal culture and music - once dubbed the "sensory equivalent of war". It has been growing as an academic discipline since the early 90s.
Scott said some of the generation who grew up in the late 1970s with the new wave of British heavy metal - a movement which reacted against the artifice of contemporary pop - were now scholars.