환희 – 떠나지마
Track 04 from EP "H-hour"
Release Date: 2010.08.05
환희 – Something Special
Track 01 from EP "H-hour"
Release Date: 2010.08.05
환희 – 반짝인다
Track 01 from Single "군주 - 가면의 주인 OST Part.9"
Release Date: 2017.06.14
환희 – 새벽감성
Track 01 from Single "2018 戀歌 (연가), 1월의 일기 '새벽감성'"
Release Date: 2018.01.04
환희 – 내가 더 아플게
Track 01 from Single "내가 더 아플게 (가슴아파도 Part.Ⅱ)"
Release Date: 2010.07.14
환희 – 바람이 되어서라도
Track 01 from Single "로드 넘버원 OST Part.1"
Release Date: 2010.06.23
환희 – 가지마
Track 03 from Album "빠담빠담 OST"
Release Date: 2012.02.06
환희 – Take It No More
Track 06 from Album "스타, 빛나는 사랑 OST"
Release Date: 2012.10.09
환희 – 가버리라고
Track 04 from Album "스타, 빛나는 사랑 OST"
Release Date: 2012.10.09
환희, 강요환 – 프로포즈
Track 02 from Album "스타, 빛나는 사랑 OST"
Release Date: 2012.10.09
환희 – 너뿐인걸
Track 01 from Album "스타, 빛나는 사랑 OST"
Release Date: 2012.10.09
환희 – 가지마
Track 01 from Single "빠담빠담 OST Part.3"
Release Date: 2012.01.16
환희, 정명규 – 남자답게
Track 03 from Single "판타스틱 듀오 Part.11"
Release Date: 2016.07.03
환희 – 사랑이 아프다
Track 01 from Single "함부로 애틋하게 OST Part.10"
Release Date: 2016.08.05
환희 – 잊지말아요 (팥의 전사 호빵왕자)
Track 03 from Single "복면가왕 96회"
Release Date: 2017.01.29
환희 – 아프다
Track 01 from Single "오렌지 마말레이드 OST Part.1"
Release Date: 2015.04.22
환희, 메이다니 (MAYDONI) – 남남
Track 01 from Single "남남"
Release Date: 2010.12.29
환희 – 뻔해 (Feat. 정일훈 of BTOB)
Track 01 from Single "뻔해 (Feat. 정일훈 of BTOB)"
Release Date: 2018.05.22
환희 – 오늘은 가지마 (2021)
Track 01 from Single "오늘은 가지마 (2021)"
Release Date: 2021.09.01
환희 – 기억속의 먼 그대에게 (팥의 전사 호빵왕자)
Track 02 from Single "복면가왕 94회"
Release Date: 2017.01.15
환희 – 바람이 되어서라도
Track 01 from Album "로드 넘버원 OST"
Release Date: 2010.08.04
휘성 (Realslow), 환희 – MoonNight Blues
Track 06 from EP "더 콜 (The Call) FINAL Project"
Release Date: 2018.06.30
환희 – Tomorrow (드라마 ‘오버더레인보우’)
Track 04 from Album "인연"
Release Date: 2009.12.09