Choi Dong-hoon (born January 31, 1983), better known by the stage name Primary, is a South Korean hip hop musician and record producer.
[4][full citation needed] Primary became active in the South Korean hip hop scene in 2004 with collaborations with Dynamic Duo and Garion.
As part of the promotions for the album, Primary donned a cardboard box mask with a bird beak in order to be more memorable.
Primary performed a special stage with Dynamic Duo at the 2012 MBC Gayo Daejun.
On August 31 and September 1, 2013, Primary held a sold-out joint concert with Zion.T at the Lotte Art Center in Seoul.
were later have found to have crossed the line from sampling into plagiarism in their use of Dutch artist Caro Emerald's songs "Liquid Lunch" and "One Day".