Details for the upcoming US leg of The Big 4 tour featuring METALLICA, SLAYER, MEGADETH and ANTHRAX, collectively known as the Big Four of 1980s thrash metal, will be revealed on Tuesday, January 25th at 8 AM (PST).

In the meantime a Facebook page has been launched here.

The Big Four: Live From Sofia, Bulgaria DVD and Blu-ray containing footage of the June 22nd, 2010 Sonisphere cinecast from the Sofia, Bulgaria leg of the touring rock festival featuring the Big Four of 1980s thrash metal - Metallica, Megadeth, Slayer and Anthrax - was recently RIAA (Recording Industry Association of America) certified Double Platinum in the US for sales in excess of 200,000 copies.

In addition to the two-DVD set and the corresponding Blu-ray, there is a limited-edition "super deluxe" box set including the DVD set, five CDs with ALL the music, a 24-page booklet, a poster, photos of each band, and a Big Four guitar pick.

The Big Four: Live From Sofia, Bulgaria tracklisting:

Anthrax:

'Caught In A Mosh'

'Got the Time'

'Madhouse'

'Be All, End All'

'Antisocial'

'Indians'/'Heaven And Hell'

'Medusa'

'Only'

'Metal Thrashing Mad'

'I Am The Law'

Megadeth:

'Holy Wars... The Punishment Due'

'Hangar 18'

'Wake Up Dead'

'Head Crusher'

'In My Darkest Hour'

'Skin O' My Teeth'

'A Tout Le Monde'

'Hook In Mouth'

'Trust'

'Sweating Bullets'

'Symphony Of Destruction'

'Peace Sells'/'Holy Wars Reprise'

Slayer:

'World Painted Blood'

'Jihad'

'War Ensemble'

'Hate Worldwide'

'Seasons In The Abyss'

'Angel of Death'

'Beauty Through Order'

'Disciple'

'Mandatory Suicide'

'Chemical Warfare'

'South of Heaven'

'Raining Blood'

Metallica:

'Creeping Death'

'For Whom The Bell Tolls'

'Fuel'

'Harvester Of Sorrow'

'Fade To Black'

'That Was Just Your Life'

'Cyanide'

'Sad But True'

'Welcome Home (Sanitarium)'

'All Nightmare Long'

'One'

'Master Of Puppets'

'Blackened'

'Nothing Else Matters'

'Enter Sandman'

Encore:

'Am I Evil?' (with the Big Four)

'Hit The Lights'

'Seek and Destroy'