: The concept sparked thousands of fan-made "Happy" videos from cities around the world, turning the song into a global movement for positivity. 3. Record-Breaking Chart Success

The writing process itself was a feat of persistence. Pharrell pitched nine different songs to the producers of Despicable Me 2 , all of which were rejected. "Happy" was his , written at the last minute when he tapped into a "limitless" sense of joy. 2. A Music Video Revolution

The song’s path to the top was paved by "24 Hours of Happy," recognized as the .

: The official website allowed users to see people dancing to the song at every hour of the day in Los Angeles.

"Happy" dominated the global music charts in 2014, breaking numerous records: