Metal Evolution
Metal Development is a 2011 documentary collection directed by anthropologist and also film-maker Sam Dunn and supervisor, producer and music manager Scot McFadyen concerning heavy metal subgenres, with new episodes airing every Friday at 10pm EST on MuchMore as well as Saturday at 10pm EST on VH1 Traditional. Its origins originate from Dunn's initial documentary Metal: A Headbanger's Trip, that included the well-known "Heavy Metal Ancestral Tree."