WASHINGTON -- By now, you've heard Pharrell Williams' song, "Happy," whether you know it or not. It's transformative, catchy and inspires you to move.
During an interview with Oprah Winfrey, Pharrell was moved to tears after watching a brief clip of people around the world dancing to the song. If nothing else, it shows there's at least one mainstream musician who creates out of love.
Watch Pharrell's reaction below.
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