Vocal Coach & Professional Singer reacts to KIM JONG KOOK (김종국) performance on Dingo Music Killing Voice (의킬링보이스) performing 한남자, 중독, 제자리걸음, 사랑스러워, 편지, 바람만바람만, 고맙다, 어제보다오늘더, 이 사람이다, 걷고싶다ㅣ딩고뮤직. Incredible performance which would be hard to handle to most singers! Enjoy!