Here's how I think Twice would sing "What You Waiting For" by Gwen Stefani. Line distribution: 1. Momo-37.43 s 2. Nayeon-34.7 s 3. Chaeyoung-18.98 s 4. Jihyo-18.91 s 5. Jeongyeon-16.75 s 6. Mina-15.78 s 7. Dahyun-14.06 s 8. Sana-10.44 s 9. Tzuyu-9.96 s