people get another artist's touch on their work? I could see many people wanting his take on things.
Hell, If I had something to send him I might try it out, dude's talented. I think John Nolan did something similar to this a while back, where he literally did collaborations with people that sent him stuff. Some of it was actually pretty good. Plus, with technology the way it is, if something like this is a possibility, let's give it a whirl!!!
I actually think The Killers recorded one of their albums completely separate from each other in Protools. There was neighborhoods, too... Uhm, yeah, I'm sure this happens a lot.