승언 – 그 날처럼 (Bonus Track)
Track 05 from EP "허밍"
Release Date: 2015.08.11
승언 – 혹시 (Feat. 고운)
Track 04 from EP "허밍"
Release Date: 2015.08.11
승언 – 그대를 위해
Track 03 from EP "허밍"
Release Date: 2015.08.11
승언 – Anyday
Track 01 from EP "허밍"
Release Date: 2015.08.11
승언 – 잔상 (then.) (prod. CullEN.) (feat. CullEN.)
Track 07 from EP "연서戀書"
Release Date: 2019.11.10
승언 – Love Song (feat. 효경)
Track 05 from EP "연서戀書"
Release Date: 2019.11.10
승언 – 나 혼자 했던 사랑
Track 03 from EP "연서戀書"
Release Date: 2019.11.10