"I didn’t realize then that I would never see Ozzy again after that night," Butler writes of the July 5 "Back to the Beginning" show in England.

Black Sabbath bassist Geezer Butler has opened up about the heartbreaking state of Ozzy Osbourne ’s health during what would become the legendary rocker's final performance, just two weeks before his death at age 76.

Ozzy Osbourne's declining health hit his bandmate Geezer Butler hard ahead of the Black Sabbath farewell show on July 5. In an emotional essay for TheSunday Times, Butler shared distressing details about Osbourne's condition during what would be his final performance.