Last night on The Tonight Show starring Jimmy Fallon, Billy Joel joined the talk show host in a doo-wop video so entertaining that it was singled out by Tim Cook on Twitter.
Check this out. @jimmyfallon and @billyjoel with iPad and a cool app called Loopy HD. Magical. http://t.co/dWlZr6Lsm6
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Read the original post by Kelly Hodgkins