UNTACT CONCERT - 얘랑 있을때 좋다(Good to be with You) by 어쿠스틱콜라보 (Acoustic Collabo)
UNTACT CONCERT - 우리이별 (Prepared parting) by 어쿠스틱콜라보 (Acoustic Collabo)
UNTACT CONCERT - 슬퍼도 울지 않아요(Don't Cry) by 어쿠스틱콜라보 (Acoustic Collabo)
UNTACT CONCERT - 쉬어도 돼(Breakup) by 어쿠스틱콜라보 (Acoustic Collabo)
UNTACT CONCERT - Night Night by 어쿠스틱콜라보 (Acoustic Collabo)