Black Sabbath — featuring singer Ozzy Osbourne, guitarist Tony Iommi, bassist Geezer Butler and drummer Bill Ward — will headline the Download Festival on June 10, 2012 in Donington Park, England|11, 1970)|They heavy metal rockers announced the news Friday during a Los Angeles press conference at the Whisky A Go-Go, the site of their first L.A|Black Sabbath’s self-titled debut came out in 1970|Rick Rubin, who’s worked with everyone from Metallica to the Dixie Chicks, will produce Black Sabbath’s comeback effort|There’s been speculation about a reunion for months, but now it’s official}