Big 4 do Sonisphere festival!

http://uk.sonispherefestivals.com/news/sonisphere-brings-the-big-4-to-the-uk-for-the-first-time-ever/

SONISPHERE will be bringing together METALLICA, SLAYER, MEGADETH and ANTHRAX in the UK for the first time in history to exclusively headline the Friday night at Knebworth next July!