Ozzfest is an annual tour of the United States (and in some years, included Europe) featuring performances by many Heavy Metal and Hard Rock, Death Metal, Black Metal groups. It is organized by Ozzy Osbourne, Ozzy's wife Sharon, and Jack Osbourne, Ozzy's son.

The festival was created in 1996, when organizers of musical festival Lollapalooza refused to let Ozzy Osbourne join the tour. The tour was very well-received, which prompted the Osbournes to have the festival become a yearly occurrence.

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