Despite suffering from Parkinson’s disease, the “Prince of Darkness” guarantees that he will only leave music when he dies. And yet… Ozzy Osbourne again rejected the idea of reform, in statements to the British newspaper Daily Mirror. “I won’t retire until they close my coffin. And then I’ll do an encore. I’m the Prince of Darkness,” he joked. The musician has been in quarantine since March, and the pandemic has forced him to cancel several dates of what is described as his last tour, but fans can rest easy: Ozzy will still be back on stage to finish it. “Feeling…