On July 5, Ozzy performed his final concert — titled “Back to the Beginning” — with his band Black Sabbath. It was the first time the singer had reunited with the group in 20 years.

Not only did Black Sabbath and Ozzy Osbourne put on one hell of a historic show for their final performance, they managed to pull off a humanitarian feat as well. The Back to the Beginning show raised nearly $200 million dollars in charity funds for three separate organizations,

Sometimes it's easy to assume that all famous people know each other. But until Saturday's (July 5) Back to the Beginning blow-out final show honoring Ozzy Osbourne and Black Sabbath, the Prince of Darkness had never met Guns N' Roses singer Axl Ros e. Despite both men being hard rock royalty, their paths had somehow never crossed.