OBSERVATION 홍창우 20181212 | 1383 '홍창우' [OBSERVATION] [OBSERVATION] CREDIT [Album Credits] Production: PROFELLAZ AVENUE Executive Producer: XenomiX Recording @ A36 STUDIO … Tags : #홍창우 #OBSERVATION #루미넌트엔터테인먼트 #음악 #음원유통 자세히보기