KOREAN SF9 (에스에프나인) SF9 – K.O. K.O. [Single] Feeling Sensation 2016.10.05 Inseong, Youngbin, Jaeyoon, Dawon, Zuho, Rowoon, Taeyang, Hwiyoung, Chani Lyrics/작사: 배진영, 이노베이터 Composer/작곡: Thomas Sardorf, Ilanguaq…