The line-up for the first-ever OZZFEST JAPAN--set for Saturday, May 11 and Sunday, May 12, 2013 at the Makuhari Messe arena just outside of Tokyo--keeps getting more spectacular.  Tool, Slash, Deftones and Stone Sour join previously announced headliners Black Sabbath and Slipknot. OZZFEST JAPAN--a collaboration between Sharon Osbourne, in partnership with Japanese promoter Hayashi International Promotion (H.I.P.)-- will include Ozzfest alumni Black Sabbath (‘97, ’99, 2001, 2004 & 2005) Slipknot (’99, 2001, 2004 & 2005), Tool (’98, 2001, 2002) and Deftones (’99). Click here for the full story!