December 4, 2017[Teaser] Sohee(소희), Kim Sang Gyun(김상균) _ Childlike(유치해도) (Prod. LEE MINHYUK(이민혁)(BTOB)) K-pop Boys
July 17, 2017[WingS] [Vietsub] Cover A Midsummer Night's Dream – ATom (aka 김상균 – Sanggyun) & Sohee (from Elris) K-pop Boys