The Black Sabbath frontman passed away on July 22, a little over two weeks after his final performance. Tom Morello, who worked as the musical director on Osbourne’s Back to the Beginning farewell concert on July 5, shared his emotional thoughts about his last day on stage.

Ozzy Osbourne was aware he was enjoying his final time on stage when he performed with Black Sabbath just weeks before his death at the age of 76, according to organizer and friend Tom Morello.