"Lullaby" (수면제; Sumyeonje) is a digital single by Onew and Rocoberry, released on May 4, 2017 as a part of SM Entertainment's digital music project SM STATION (Season 2).
-STATION- 온유 X 로코베리 수면제 (Lullaby) Music Video
Onew and Rocoberry promoting the single
Tracklist 
Edit
- Lullaby (수면제)
- Lullaby (수면제) (Inst.)
Credits Edit
- Lyrics: Roco, Conan
- Music: Conan
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