Various – Metal: A Headbanger's Journey (2xDVD)

1        Metal A Headbanger's Journey Documentary    1:36:00
Disc 2 (Special Features)    
1        The Definitive Metal History Family Tree
2        Mini-Documentary on Norwegian Black Metal
3        17 Extended Interviews
4        Travel Outtakes
5        Lemmy at The Rainbow
6        Director's Commentary