KBS 2TV Music Bank' rehearsal was held at the opening hall of Yeouido KBS New Building in Yeongdeungpo-gu, Seoul on the 30th.
Girl group RED Velvet member Joy is heading to the public hall.
About Red Velvet
Red Velvet is a South Korean girl group formed and managed by SM Entertainment. They originally debuted on August 1, 2014, with the single "Happiness" with the four-member line-up of Irene, Seulgi, Wendy and Joy.
 Wikipedia