Primary is DJ as well as a hip-hop music producer. His real name is Donghun Choi. He has been active in many project groups such as "Primary Skool," Primary Score" and "Primary & Mild Beats" and produced many hits like "Guilty" and "Mutu." Releasing first official album Primary And The Messengers Part. 1 as a series in 2011, Primary debuted on major music market. All the songs in his albums are collaborations with many famous hip-hop musicians such as Dynamic Duo, Beenzino, Zion T, Leessang, Supreme Team and Jay Park.
