E.Gun – 내 마음을 어쩌죠
Track 03 from Single "1st Single 'Forget Me Not'"
Release Date: 2013.11.01
E.Gun – 사랑, 그런 거더라
Track 02 from Single "1st Single 'Forget Me Not'"
Release Date: 2013.11.01
E.Gun – 마지막 길
Track 01 from Single "1st Single 'Forget Me Not'"
Release Date: 2013.11.01
E.Gun – 다시 한번만
Track 01 from Single "천국의 눈물 OST Part.1"
Release Date: 2014.10.27