presented by NCM Fathom and BY Experience will feature nearly 4 hours of live performances and behind-the-scenes from the Sonisphere Festival in Sofia, Bulgaria. Says Lars Ulrich/Metallica of this historic tour announcement: "Who would have thought that more than 25 years after its inception, thrash metal's big 4 would not only still be around and more popular than ever, but will now play together for the first time...!"