Black Sabbath frontman Ozzy Osbourne died following his battle with a genetic form of Parkinson's disease, while a brain expert says the singer's lifestyle could have contributed.

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

They were just totally in love and devoted to each other, and that wasn’t for the cameras. That was just who they were.”

Entertainment producer Don Rugg of Apple Valley reflected on the death of music legend Ozzy Osbourne, who he impersonated for nearly two decades.

Heavy metal legend Ozzy Osbourne dies at 76. The Grammy-winning Prince of Darkness long struggled with addiction, finally achieving sobriety in 2014.

They tied the knot in 1971, amidst the burgeoning success of Black Sabbath, and before Ozzy fell madly in love with his second wife, Sharon Osbourne. Together, they had two children, Jessica and Louis, and Ozzy also adopted Elliot, Thelma's son from a ...

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.