This is the breakout hit single from rapper Lil Nas X. The song is a mix of country and rap, and has become a global phenomenon, topping the charts in multiple countries. It has been certified 9x Platinum in the US and has been streamed over 1
From Wikipedia
Montero Lamar Hill, better known by his stage name Lil Nas X, is an American rapper, singer, and songwriter. He rose to prominence with the release of his 2018 country rap single "Old Town Road", which spent a then-record 19 weeks atop the U.S. Billboard Hot 100 chart. Simultaneously, he came out as gay, the first artist to do so while having a number-one record.