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Steven Tyler sings with Grammy-winner Mark Hudson at Rock 'n' Roll Fantasy Camp. Hudson also conducted a Q&A session with Tyler on Friday afternoon, and told a great story. He said, "You know, the thing about Steven is, he's got a great ear. You don't know this, but when Steven ... moregoes and gives Joe Perry [guitarist for Aerosmith] a hug, he's reaching out and tuning Joe Perry's A-string."

(Image: Steven Tyler and Mark Hudson/Frank Knight)