Ozzfest is an annual festival tour of the United States and sometimes Europe (and for the first time Japan in 2013) featuring performances by many
heavy metal and
hard rock musical groups. It was founded by
Ozzy Osbourne and his wife
Sharon Osbourne, both of whom also organise each yearly tour with their son
Jack Osbourne. The Ozzfest tour has featured bands of a variety of genres within
heavy metal and
hard rock, including
alternative metal,
thrash metal,
industrial metal,
metalcore,
hardcore punk,
deathcore,
nu metal,
death metal,
post-hardcore,
gothic metal and
black metal. Ozzy Osbourne and
Black Sabbath have played the tour several times over the years.