KOREAN N-Sonic/N.Sonic (엔소닉) N-Sonic (엔소닉) – Blackout Blackout Another Progress 2015.03.24 J. Heart, Sihoo, Byeol, Minkee, Black J, Zion Lyrics/작사: 1월 8일(Jam Factory), 황지원, Ashtray, 윤여훈 Composer/작곡:…