Question: What is the genre of music that the nine member group containing Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu called?
Sentence (from "Twice (band)"): Twice (; Japanese: トゥワイス) is a South Korean girl group formed by JYP Entertainment through the 2015 reality show "Sixteen".
Relevant evidence: Yes