Billy Joel took a few moments out of a recent concert to offer musical tribute to Joe Cocker -- and surprised the audience with some unhappy news about the singer's health.
"I realize that ivory piano keys are preferred by some pianists," says Billy Joel. "But a preference for ivory keys does not justify the slaughter of 96 elephants every day."
A new infographic illustrates the top-selling musicians in America by state of birth, with a number of familiar classic rock greats among those featured.