The Big Four: Live in Sofia (2010)
- Land : Bulgaria
- Genre : Muziek, Documentaire
- Studio : Splinter Films Ltd., Universal/Music/DVD, Mercury Music Group, Vertigo, Sonisphere Festival
- Regisseur : Nick Wickham, Nick Levitt
- Gips : James Hetfield, Tom Araya, Dave Mustaine, Joey Belladonna, Lars Ulrich, Dave Lombardo