"Despacito" is a song by Puerto Rican singer Luis Fonsi featuring Puerto Rican rapper Daddy Yankee. A remix version featuring Canadian singer Justin Bieber was released on April 17, 2017, which helped to improve the song's chart performance in numerous countries, including various number-one positions.

"Despacito" has been widely credited by music journalists as being instrumental in popularizing Spanish-language pop music in the mainstream market again. The worldwide increase of Latin pop music consumption from 2017 onwards has been referred to as "the 'Despacito' effect."

In August 2017, the official music video for "Despacito" became the most-viewed YouTube video of all time after receiving its three billionth view. It became the first video on the site to reach the milestones of three, four, five, and six billion views.

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