Sharon and Ozzy Osbourne created the fest in 1996 in reaction to a diss from Lollapalooza: ‘Ozzy’s not relevant.’

Ozzy Osbourne's family, from his wife Sharon to kids Kelly and Jack Osbourne, were at times in the public eye.

This is the first Kelly has spoken publicly about her father's death. Ozzy Osbourne died at the age of 76 on Tuesday

Before Ozzy Osbourne died on July 22 in Buckinghamshire, England, a "helicopter was dispatched to provide advanced critical care," a Thames Valley Air Ambulance spokesperson confirmed to PEOPLE in a statement.

An upcoming documentary about Ozzy Osbourne’s health setbacks and his desire to stage a farewell concert will still arrive later this year.

Introduce the next generation of kids to Black Sabbath’s iconic frontman with this adorable Ozzy Osbourne children’s book! The legendary musician tragically died at age 76 this month, but his legacy will live on — and now you can teach your kids about Ozzy in an easy-to-understand way.

The two-time Rock & Roll Hall of Fame inductee was a distant relative of Stephen Colbert and some of the people who died in the 79 AD eruption of Italy’s Mount Vesuvius.

Ozzy Osbourne’s farewell was nearly canceled until Sharon reportedly struck a bold backstage deal that let him rock one last time.