Yo-Yo Ma -- Composed When Dissed

Cellist Yo-Yo Ma was a child prodigy who performed for JFK when he was seven -- and has since won 15 Grammy Awards, was named Peace Ambassador by the UN and has even appeared on an episode of "The Simpsons..."

Yo-Yo Ma: Click to watch
...and our photog actually had the nerve to ask if he got his Inauguration gig by winning "a drawing."

It's pretty hilarious -- and Yo-Yo Ma is the nicest guy ever.