이용신 – Need to Know
Track 01 from Single 'Need to Know'
이용신 – 말하자면 막나가기 (Ment Out Ver.) (With Sgt. Keroro’s Funny Hearts Club Band)
Track 04 from EP "개구리 중사 케로로 4기"
Release Date: 2008.10.01
이용신 – 말하자면 막나가기 (With Sgt. Keroro’s Funny Hearts Club Band)
Track 03 from EP "개구리 중사 케로로 4기"
Release Date: 2008.10.01
이용신 – 또 다른 나 (오프닝 TV Ver.)
Track 03 from EP "캐릭캐릭 체인지 OST"
Release Date: 2008.12.19
이용신 – 또 다른나 (오프닝 Full Ver.)
Track 01 from EP "캐릭캐릭 체인지 OST"
Release Date: 2008.12.19
이용신 – 또 다른 나 (TV 애니메이션 ‘캐릭캐릭체인지’ 오프닝)
Track 09 from Album "Type Control"
Release Date: 2013.11.15
이용신 – 프리지아
Track 08 from Album "Type Control"
Release Date: 2013.11.15
이용신 – 다시 봄이 오고
Track 07 from Album "Type Control"
Release Date: 2013.11.15
이용신 – No Day But Today
Track 06 from Album "Type Control"
Release Date: 2013.11.15
이용신 – Nine Tails Maid
Track 05 from Album "Type Control"
Release Date: 2013.11.15
이용신 – 지금은 사랑할 시간
Track 03 from Album "Type Control"
Release Date: 2013.11.15
이용신 – 그대 때문에
Track 02 from Album "Type Control"
Release Date: 2013.11.15
이용신 – Little Blossom
Track 01 from Album "Type Control"
Release Date: 2013.11.15
이용신 – 나의 마음을 담아 (EDM Ver.)
Track 02 from Single "Returned Fullmoon Vol.2"
Release Date: 2020.01.03
이용신 – Smile
Track 01 from Single "Returned Fullmoon Vol.2"
Release Date: 2020.01.03
이용신 – 회사가기시러쏭
Track 01 from Single "회사가기시러쏭"
Release Date: 2006.05.16
이용신 – 과분한 너 (2기 엔딩)
Track 02 from EP "사랑은 콩다콩 OST"
Release Date: 2011.10.12
소향, 송용태, 이용신, 정영주 – 바로 여기야 (From “Moana”/Soundtrack Version)
Track 03 from Album "모아나 (Original Motion Picture Soundtrack)"
Release Date: 2017.01.13