411 Mania — "Wet metal dream tour"... more info

The 'big four' of thrash metal team up for quite possibly the loudest tour in living memory more info

Guardian Music — The 'big four' of thrash metal team up for quite possibly the loudest tour in living memoryMetallica, Slayer, Megadeath and Anthrax have announced they will tour together next year. After weeks of rumours, the bands collectively dubbed the "Big Four"... more info

Reuters — DETROIT (Billboard) - Heavy metal's Big Four -- Metallica, Slayer, Megadeth and Anthrax -- will ride together in 2010. In Europe, at least. more info

Pitchfork - Tours — 06-16 Warsaw, Poland - Bemowo Airport (Sonisphere Festival) * 06-19 Prague, Czech Republic - Mimon Airport (Sonisphere Festival) * * with Anthrax, Slayer, Megadeth more info

411 Mania — The thrash metal big four together for the first time ever!!! more info

Altsounds — The world wide web has been abound with speculation on a possible “BIG FOUR” tour for several months. Now, *SONISPHERE* can exclusively reveal that *METALLICA, SLAYER, MEGADETH *and* ANTHRAX* will play together for the first time in... more info

Undercover, Australia — Rumours have been abundant to what feels like an eternity now, but it is finally true... ish. The big four of thrash metal will share a stage for the first time in history. more info

Thrash Hits — Metallica have broken the news that they will be performing live onstage together on their official website. The dates in Poland and the Czech Republic have so far been confirmed. SO. FAR. “Metallica, Slayer, Megadeth, and Anthrax . . . the rumors ... more info

411 Mania — Plus more Slayer dates... more info