4Minute (포미닛) 4Tomorrow After School (애프터스쿨) Brown Eyed Girls (브라운아이드걸스) Ga In (가인) HyunA (현아) KARA (카라/カラ)
4Tomorrow – Tomorrow (두근두근)
두근두근 dugeun dugeun “Tomorrow” Tomorrow 2009.10.12 Uee, Seung Yeon, Ga-In Hyuna, Lyrics/작사: ?? Composer/작곡: ?? Arranger/편곡: ??