Primary (프라이머리) is a South Korean DJ and music producer who was signed under the record label Amoeba Culture till March, 2020. As a member of the Big Deal record in the start of his career, he collaborated with several artists as their producer. He made his debut in 2006 by releasing his first album [Step Under The Metro].

Primary’s first full-length album Primary And The Messengers LP, released in October 2012, featured multiple world-class artists and displayed his musical color and style based on his silent efforts and passion. With a combination of 20 new teams of artists, the producer initiated a wide sensation. Since then, it has gained popularity through collaboration with trendy artists such as Zion.T, Gaeko, Oh Hyuk, Beenzino, and Crush.