"It was a stem-cell operation," he says. "It's supposed to help the lungs. Over the years I've smoked a lotof cigarettes, and I've had emphysema and pneumonia four or five times, so my lungs were really screwed up, and I had heard that this stem-cell operation would be good for them.

"So I said, 'Well, I'm gonna try it out.' But I'm still so sore that I can't say that it was a success. I'll have to wait until all the soreness goes away." He echos that same sentiment when answering the question of whether it has affected his singing. "I'll let you know," he says with a laugh. Read more - here.

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