 MTV.com | Ozzy, System of a Down Lead Ozzfest Rolling Stone - Ozzy Osbourne, System of a Down and Disturbed will headline Ozzfest 2006, kicking off July 1st in San Francisco. The touring festival, now in its eleventh year, will hit twenty-one cities, with a solo Osbourne to play only a select ten performances. Ozzy, SOAD, Disturbed To Rock Ozzfest SOAD and Disturbed to headline Ozzfest |