Who won the First in 3rd week of April? [M COUNTDOWN] 160421 EP.470

M COUNTDOWN｜Ep.470

4월 셋째 주 1위 - 블락비
No.1 of the week - Block B

World No.1 Kpop Chart Show M COUNTDOWN
Every Thur 6PM(KST) Mnet Live on Air
매주 목요일 저녁 6시 엠넷 생방송