음율
(UmYull)
피차일반 (彼此一般) We're no different (We're no different)음율 (UmYull)
The Theory of Happiness
4:13
파도혁명 Wa;volution (Wa;volution)음율 (UmYull)
Wa;volution
4:15
반비례 (反比例) Inverse (Inverse)음율 (UmYull)
The Theory of Happiness
4:00
내일 만날 약속을 하면서 오늘 이별을 말했다 Tomorrow, Promise (Tomorrow, Promise)음율 (UmYull)
Tomorrow, Promise
4:26
푸름애 (靑愛) Love Innocence (Love Innocence)음율 (UmYull)
Fantasy Tale
3:35
행복이론 (幸福理論) Happy Logic (Happy Logic)음율 (UmYull)
The Theory of Happiness
3:40
