Double K has been releasing a series of collaboration singles ahead of the full release of his upcoming 3rd full album, working with artists like Seo In Guk, Dok2, JUSTHIS, and Ann One for "OMG" and "That Boi". 

The 3rd pre-release collaboration track with Shinhwa' Minwoo, titled "Green Wave", will be out on April 11. Double K's 3rd full album will be out shortly after, on April 23, reports say. 

Stay tuned for more on rapper Double K!