[MP3/DL]06. Seulong (슬옹) & Taecye...
[Vietsub + Kara - 2ST] U Don't Kn...
U Don’t Know Original ver – 슬옹, 옥택연 ...
[MP3/DL]08. Seulong & Taecyeon -U...
[MP3/DL]09. 2AM, 2PM - No Goodbyes (K...
U Don’t Know – 슬옹, 옥택연 JYP Nation – J...