B1A4 - SOLO DAY, 비원에이포 - 솔로 데이, Music Core 20140809

☞ Did you enjoy this video? Plz click "like"! ☞ For more awesome videos, subscribe our channels!! Daily update available! ☞ Watch more clips of B1A4    • B1A4 - Yesterday, 비원에이포 - 예스터데이, Show cham...   공식홈페이지 http://www.imbc.com/broad/tv/ent/musi... 방송시간 SAT, 15:55 ~ Show! Music Core(쇼! 음악중심), EP418 2014/08/09, MBC TV, Republic of Korea B1A4(비원에이포): SOLO DAY