Jenna Andrews and Stephen Kirk are a highly successful songwriting and production duo, known for their work with a wide range of popular artists, especially in the K-pop realm. The real-life couple gained significant recognition for their work on BTS's hit songs "Butter" and "Permission to Dance."

Some of their notable songwriting credits include "Free" and "What It Sounds Like" from the widely popular Netflix series, KPop Demon Hunters, and its record-breaking soundtrack. KPop Demon Hunters (Soundtrack from the Netflix Film) climbs the charts for a fifth consecutive week with over 1.5 billion global streams to date, rising to No. 3 on the Billboard 200, and continuing to be the highest charting soundtrack of the year. In addition, the KPop Demon Hunters soundtrack secures the No. 1 Soundtrack Debut of 2025, and a fifth consecutive week at No. 1 on the Billboard Soundtracks chart.

Besides Andres and Kirk, the soundtrack features original songs written by Danny Chung, Ido, Vince, Kush, Ejae, Lindgren, Mark Sonnenblick, Daniel Rojas, and produced by Teddy Park, 24, Dominsuk, Jenna Andrews, Stephen Kirk, Lindgren, Ian Eisendrath. Original songs are performed by Ejae, Audrey Nuna, Rei Ami, Andrew Choi, Danny Chung, Kevin Woo, SamUIL Lee, Neckwav, and Lea Salonga. The soundtrack also includes the original song “Takedown” featuring Jeongyeon, Jihyo, and Chaeyoung from K-pop powerhouse girl group Twice.

The pair has also worked with Sabrina Carpenter, Drake, Nelly Furtado, Jessie Murph, and others.