Jordan "DJ Swivel" Young is a Grammy-Award winning music producer, mixer, vocal engineer, songwriter, and plugin developer. His work with The Chainsmokers yielded 3 RIAA Diamond Certifications, making them tied for 4th all-time in the artists with the most single certifications, diamond. He came to prominence in 2011 working for Beyoncé as her vocal engineer on the album "4". He was awarded "Secret Genius: Dance" by Spotify in 2018.

"Closer" is a song by American DJ duo the Chainsmokers featuring American singer Halsey. Andrew Taggart also provides his vocals in the song, which was a first. It was released on July 29, 2016, through Disruptor Records and Columbia Records. The song was written by Taggart, Halsey, Shaun Frank, Freddy Kennett, Isaac Slade and Joe King. Halsey's vocals were produced by DJ Swivel, while the main song production was handled by the Chainsmokers as usual. Musically, it is a future bass and pop song with a "retro" style synthesizer in the chorus. Taggart and Halsey take turns singing their parts before singing the chorus together as the song concludes.