God Bless Ozzy Osbourne’ made its special MusiCares premiere Monday night in Hollywood, but the documentary's namesake and man of the hour was a no-show at the event. His conspicuous absence got the rumor mill churning, bolstering recent reports that Black Sabbath have reunited again to record a new album and embark on a tour.

The rumor was further buoyed by comments made by Osbourne’s daughter, Kelly, who did make the screening. When asked where her dad was, Kelly tried to keep a tight lip. "My dad is . . . I don't know if I'm allowed to tell you," she said. "But he's doing something that is very, very exciting. He's just finished a tour. But he's doing something very exciting. I'm not allowed to talk about it, though."

Kelly’s brother Jack, who co-produced ‘God Bless,’ added to the mystery. When asked if Ozzy was in England gearing up for a Sabbath reunion, he replied, "I can neither confirm nor deny who he is with or where he is."

‘God Bless Ozzy Osbourne' was edited from nearly 2,000 hours of performance footage and rare and new interviews with Ozzy, family members, friends and colleagues from the rock world. "I was essentially fed up with my dad having this Osbournes-esque image in the mainstream media," Jack tells Bilboard.com of his reason for making the flick. "That really frustrated me. Since 'The Osbournes' [reality TV show] he got sober and became a totally different person, and I wanted to kind of celebrate that. Everyone knows what he's done, so for me this was about more who he is as a person."

The flick will get a wide release tonight (Aug. 24) and Monday (Aug. 29) when it's screened at more than 400 theaters nationwide (check out details here). A DVD "should be coming out around Christmas," according to Jack, adding that two TV networks are competing for the rights to show it "within the next six months."