‘Singer Gain’ TOP3 The moment when you realize the popularity of Lee Seung-yoon, Jung Hong-il, and Lee Moo-jin
![The story behind the stage of’Singer Gain’ by Seungyoon Lee, Hongil Jung and Moojin Lee[일문일답 종합]](http://www.theceluv.com/upimages/gisaimg/202102/16365834.jpeg "The story behind the stage of’Singer Gain’ by Seungyoon Lee, Hongil Jung and Moojin Lee[일문일답 종합]")
