System Of A Down To Headline Ozzfest

System of a Down has been confirmed on this
year's Ozzfest which is expected to kick off in July. The band is
slated to headline, taking the stage just before Ozzy Osbourne's closing set.
System of a Down have already played Ozzfest twice before — in 1998, they
played the Second Stage, and the following year, they opened the Main