![](https://7-dreamers.com/wp-content/uploads/2017/07/tumblr_otcetsp63R1v9r0v1o1_400.jpg)
[INFO]
Siyeon has credits for the chorus of 날아올라 (Fly high), Wake up, Sleep-walking and 괜찮아! Yoohyeon has credits for Sleep-walking chorus.
Edit: This simply means they sang the background vocals.
[INFO]
Siyeon has credits for the chorus of 날아올라 (Fly high), Wake up, Sleep-walking and 괜찮아! Yoohyeon has credits for Sleep-walking chorus.
Edit: This simply means they sang the background vocals.