“Uptown Funk” (stylised as “UpTown Funk!” on the cover) is a song recorded by English producer Mark Ronson with guest vocals by Bruno Mars for Ronson’s fourth studio album, Uptown Special (2015). Sony Music Entertainment released the song as the album’s lead single on 10 November 2014. The song was written by Ronson, Jeff Bhasker, Mars, Philip Lawrence, Devon Gallaspy and Nicholaus Williams; with Ronson credited for producing it as well.
The single has been commercially successful, topping the charts in several countries including Australia, New Zealand, Ireland and the United Kingdom, and peaked in the top three in Canada and the US. The single holds the title of the all-time most streamed track in a single week in the United Kingdom, having been streamed a record 2.34 million times in a single week.