KBS 2TV Music Bank' rehearsal was held at the public hall of Yeouido KBS New Pavilion in Yeongdeungpo-gu, Seoul on the morning of November 16th.
TWICE (Nayeon, Jingyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chae Young and TZUYU) attend the rehearsal.
About TWICE
Twice is a South Korean girl group formed by JYP Entertainment. The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu.
 Wikipedia