| Album | 긴 밤 새벽 탓일까 Connection Project 01 |
| Song | Artist | Album | Lyrics |
|---|---|---|---|
| 긴 밤 | 2ju Seowoll | 긴 밤 | Lyrics |
| 새벽 탓일까 (Inst.) | 2ju | 새벽 탓일까 | |
| 새벽 탓일까 | 2ju Birdin | 새벽 탓일까 | Lyrics |
| Feel the Night (Inst.) | 2ju | Connection Project 01 | |
| Feel the Night | 2ju The Good Boys 이로운 | Connection Project 01 | Lyrics |