B1A4_이게 무슨 일이야 (What’s Going On by B1A4@Mcountdown )

2013년 5월 9일 목요일 B1A4_이게 무슨 일이야 What’s Going On by B1A4@Mcountdown Mnet Mcountdown airs every Thursday 6pm(KST) Enjoy live-streaming on Wanna know more about your favorite K-pop artist? - Subscribe - Follow - Like - Visit