Early 2000s rapper Nas popped up in a white suit to join Lil Nas X and take the outsized production to its conclusion. Next up: Diplo and viral yodeling star Mason Ramsey, who countrified “Old Town Road” before Billy Ray Cyrus appeared for what seemed to be the finale. Opening by strumming the song’s Nine Inch Nails riff while reclining on a couch, Lil Nas X then handed off the hit to BTS for “Seoul Town Road,” which BTS’ RM had debuted with Lil Nas X in a remix earlier this year. Recording Academy / GRAMMYs January 28, 2020 Watch all-star #GRAMMYs performance 🤠: /RGn4FIIrxH is gonna take their horse to the 'Seoul Town Road'. Lil Nas X capped off his blockbuster debut year with a star-studded, genre-crossing performance of “Old Town Road,” featuring many of the artists - BTS, Diplo, Billy Ray Cyrus, and Mason Ramsey - who had appeared on the seemingly endless list of remixes of the song throughout 2019.