B1A4 (비원에이포) JAPANESE B1A4 – IN THE AIR (Japanese ver.) In The Air イゲ ムスン イリヤ ~なんで?どうして? What’s Going On? What – Why? [Japanese Single] 2013.08.28 Jinyoung, CNU, Baro, Sandeul, Gongchan Lyrics/作詞: SWIN AKA…