Now guitarist Joe Perry is breaking the silence ... not that he knows (or will reveal) much about the situation. "I actually haven't talked to [Steven] in a while," Perry tells Blender during in an interview to promote the upcoming Guitar Hero: Aerosmith game.

"We spend most of our time off the road split up -- that's just how it goes." Does he know what Tyler's in rehab for? "I'm not sure, but I hope he's doing OK." - more on this story

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