Yerin Baek (백예린 of 15&) - 우주를 건너 (Across The Universe)
Yerin Baek (백예린 of 15&) - Bye Bye My Blue
Yerin Baek (백예린 of 15&) - 그의 바다 (It's Sea)
Baek YeRin of 15& - Run To You (Whitney Houston cover)
Yook Ji Dam (육지담) Feat. Baek Yerin (백예린 Of 15&) - On & On (Prod.by The Quiett)