This morning, July 25, at the foggy Highgate Cemetery in London, the moment of Ozzy Osbourne’s memorial became something no one could forget.

London, July 25 — On a misty morning at Highgate Cemetery, a farewell unfolded that those in attendance will never forget. Ozzy Osbourne, the immortal icon of rock and roll, was laid to rest — and it was none other than Brian May, legendary guitarist of Queen, who led the quiet procession that would etch itself into the hearts of...