The document summarizes key facts about Pharrell Williams' 2014 song "Happy" and its accompanying music video. It discusses how the video was filmed over 24 hours across various locations in LA with cameos. It gained over 11.5 million views on its website and was later released on YouTube where it reached 668 million views. The video won Grammys for best music video and best pop solo performance. However, it caused controversy in Iran due to laws forbidding public dancing and women being unveiled.