Vocal: Seorryang (서량), Vin Composer: M2U Album: Will: 1st Acoustica Album.
Vocal: Seorryang(서량), Vin Composer: ampstyle Arranged by TOTO Album: Will: 1st Acoustica Album.
S.I.D-Sound - Will Vocal: 서량 , Vin My Channel:http://www.youtube.com/user/awkddnjs?feature=mhee.
Vocal: Seorryang (서량) Composer: 4-parts Arranged by TOTO Album: Will: 1st Acoustica Album.
Vocal: Vin Composer: HiTaZ Album: Collector's Clip(2012)