헤이즈 (Heize) - '헤픈 우연 (HAPPEN)' MV (with 송중기) MV Director by DIGIPEDI Lyrics by 헤이즈 (Heize) Composed by 헤이즈 (Heize), 유건형 Arranged by 유건형, 고태영 * 헤이즈 (Heize) 7TH EP Album [HAPPEN] is now available on all…