Metallica/Slayer/Megadeth/Anthrax The Big 4 - Sofia, Bulgaria - Behind The Scenes Documentary
Movie| Title | Metallica/Slayer/Megadeth/Anthrax The Big 4 - Sofia, Bulgaria - Behind The Scenes Documentary |
| User score | 7.2 |
| Release date | Oct 29, 2010 |
| Genre | Documentary, Music |
| Production country | US |
| Run time | 49 min. |
Behind-the-scenes documentary that gives you exclusive access to The Big 4 backstage at Sonisphere, including interviews and "Am I Evil?" rehearsal footage.
