Despite its "effortless" sound, the song's production was a long and labored six-month process.

The iconic opening line, "This hit, that ice cold / Michelle Pfeiffer, that white gold," was a collaborative breakthrough that helped solidify the song's direction. Official Music Video & Visual Style

The song swept major awards and set multiple streaming records. How I Wrote That Song: Mark Ronson "Uptown Funk!"

"Uptown Funk," released in November 2014 by British producer Mark Ronson featuring Bruno Mars , is a era-defining funk-pop anthem that dominated global charts and became a cultural phenomenon. As the lead single from Ronson's fourth studio album, Uptown Special , the track spent 14 consecutive weeks at No. 1 on the and earned the title of the UK's biggest song of 2015. The Creation Process