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Pharrell Williams is bringing fans 24-hours of happiness.  For his song "Happy," the hit-making producer has created what he calls "the world's first 24-hour music video." 

The day-long video is broken down into six four-hour long parts and can be viewed on the website


The video features appearances from a number of celebrities including former basketball star Magic Johnson and Jimmy Kimmel, as well as members of the hip-hop collective Odd Future. 

"Happy" is featured on the soundtrack to the animated film Despicable Me 2.