Billboard: OZZY, JUDAS PRIEST, SLAYER, SLIPKNOT Set For OZZFEST

Billboard.com is reporting that SLAYER, JUDAS PRIEST and SLIPKNOT will join OZZY OSBOURNE as the mainstage acts on this year's Ozzfest, set to begin in early July. Details of the tour will be announced next week in Los Angeles.

Since its inaugural run in 1996, Ozzfest has grossed $146.5 million from 236 shows that have drawn 3.8 million headbangers, primarily to outdoor amphitheaters. Last year, Ozzfest grossed $23.5 million and drew 481,857 people.