i just think the offstage thing is beyond lame. If the guy is playing with the band, he should be on stage. No one is going to bat an eyelash at that.
As far as Ozzy's vocals, i don't think he's doing anything of any merit to improve his voice that much. It's backing tapes.
Circa Survive,Title Fight 11/11
Jessica Lee Mayfield 11/18
Russian Circles,Mutoid Man 12/11