Sistar - Alone, 씨스타 - 나 혼자, Music Core 20120512

Did you enjoy this video? Plz click "like"! For more awesome videos, subscribe our channels!! Daily update available! ☞ Watch more clips of SISTAR http://www.youtube.com/playlist?list=PLCED04CE93D8CCE03&feature=plcp Sistar - Alone, 씨스타 - 나 혼자, Show! Music Core(쇼! 음악중심), EP307, 2012/05/12, MBC TV, Republic of Korea