"Paul McCartney sings "Michelle" to First Lady Michelle Obama during an event honoring McCartney as winner of the annual Gershwin Prize. I knew this was a special moment but didn't have a full realization of its significance until when I later heard the President telling others that his wife could never have imagined as an African-American girl growing up on the South side of Chicago that someday a Beatle would be singing this song to her as First Lady of the United States." (Official White House Photo by Pete Souza)

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