What song was written by Sam Lewis did the group composed of Nayeon and Jeongyeon and other girls sing?
Cheer Up (song): "Cheer Up" is a song recorded by South Korean girl group Twice, the lead single of their second extended play (EP) "Page Two". Twice (band):  The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu.
"Cheer Up"