BOYNEXTDOOR has kicked off the countdown to their comeback with a surprise release! On May 11 at midnight KST, BOYNEXTDOOR dropped the music video for “Knock Knock,” a pre-release track off their upcoming first studio album “HOME.” “Knock Knock,” which was produced by Block B’s Zico and Pop Time, was co-composed by BOYNETDOOR members Jaehyun,… The post appeared first on .