PHOTO: Pharrell Williams's infectious hit, "Happy," is World's Longest Video Released.

Michael Jackson (USA) may be the undisputed king of long-form music videos, but even "Ghosts", his spine-tingling, 39-min 32-sec epic from 1997, was spooked in November 2013 when Pharrell Williams (USA) released the "world's first 24-hour music video", for his single "Happy", on the website 24hoursofhappy.com.

Pharrell Williams' 'Happy' Anthem Inspires Parodies

Real Names "Pharrell Lanscilo Williams aka Pharrell Williams as he's fondly called brought on deck his hit burster single "Happy" to History books as he made the longest video ever for the Hit Single in November 2013.

Pharrell Williams' infectious hit, "Happy," has become an international pop anthem, with millions around the world clapping along, moving and grooving, and doing their own happy dances.

The Oscar-nominated song, featured on the "Despicable Me 2" soundtrack and now the lead single on his new album, "G I R L," is beyond catchy with its cheerful rhythm and chorus. The YouTube video, the world's first 24-hour music video, has been viewed more than 160 million times, spurring countless parodies.

For the past six weeks coming, Pharrell Williams has been topping the charts and finally. "World's Longest Video" -HAPPY 24Hours

 Clips and Images of the Happy 24 hours video can be seen here on http://abcnews.go.com

We anxiously love to know whats next with this talented art. Bye!