THE FINAL HALLOWEEN: OZZY OSBOURNE’S LAST GIFT TO THE DARKNESS. It was meant to be his farewell to fear — and somehow, his love letter to it. Before his passing, Ozzy Osbourne had been working on what he called “the last scream before silence.” A haunting track titled “The Night We Become Shadows.” It was meant to be released this Halloween — a song that blurred the line between the living and the lost.

The song — “The Night We Become Shadows” — was meant to be released this Halloween. Now, after his passing, it arrives as both requiem and resurrection. It is Ozzy’s…