발매일 2011 04 21
https://img.theqoo.net/DSmck
작곡
이상호, 임상혁, 전다운
작사
휘성(Realslow)
M/V
https://m.youtu.be/mKtudK4Q1F0
인기가요
https://m.youtu.be/2yy8XcGvGR8
https://m.youtu.be/ihGZi1iij4U
뮤직뱅크
https://m.youtu.be/I6HuEPD_UEM
음악중심
https://m.youtu.be/wRiw2RsPTLc
+)) 타이틀이였던 O.K
https://m.youtu.be/839DdUWbeLw
https://img.theqoo.net/DSmck
작곡
이상호, 임상혁, 전다운
작사
휘성(Realslow)
M/V
https://m.youtu.be/mKtudK4Q1F0
인기가요
https://m.youtu.be/2yy8XcGvGR8
https://m.youtu.be/ihGZi1iij4U
뮤직뱅크
https://m.youtu.be/I6HuEPD_UEM
음악중심
https://m.youtu.be/wRiw2RsPTLc
+)) 타이틀이였던 O.K
https://m.youtu.be/839DdUWbeLw