"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).
Tracklist
- Lullaby (수면제)
- Lullaby (수면제) (Inst.)
Credits
- Lyrics: Roco, Conan
- Music: Conan