B1A4 (비원에이포) KOREAN B1A4 – Are You Happy? (잘 돼가) 잘 돼가 Jal Dwaeja “Are You Happy?” [EP] Solo Day 2014.07.14 CNU, Jinyoung, Sandeul, Baro, Gongchan Lyrics/작사: 바로, 진영, Maxx…