R.ef – 상심
Track 12 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 후애
Track 10 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 폭로
Track 09 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 열병 48 °
Track 08 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – One Side…
Track 07 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 방황(彷湟) Ⅱ
Track 06 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 아침에 떠나
Track 05 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 나의 형제
Track 04 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 마지막 잎새
Track 03 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 심연(深淵)
Track 02 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – Freetro
Track 01 from Album "Free Ruff Eazy Flava III"
Release Date: 1997
R.ef – 상심 (Remix)
Track 12 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 이별공식 (Remix)
Track 11 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 고요속의 외침 (Remix)
Track 10 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 도화지
Track 09 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 친구잖아
Track 08 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 엑스트라
Track 07 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 고요속의 외침
Track 06 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 슬픈 오해
Track 05 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 연인 아닌 사이
Track 04 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 상심
Track 03 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 이별 공식
Track 02 from Album "Rave Effect"
Release Date: 1995.03
R.ef – 사랑을 모르나봐 Part.2 (Feat. 시현)
Track 03 from Single "왜이래"
Release Date: 2013.09.10
R.ef – 왜이래
Track 02 from Single "왜이래"
Release Date: 2013.09.10
R.ef – One More Time
Track 01 from Single "왜이래"
Release Date: 2013.09.10
R.ef – Outro
Track 11 from Album "Forever"
Release Date: 1998.05.01
R.ef – 부활을 기다리며…
Track 10 from Album "Forever"
Release Date: 1998.05.01
R.ef – 우정의 이름으로
Track 09 from Album "Forever"
Release Date: 1998.05.01
R.ef – 행복한 슬픔
Track 08 from Album "Forever"
Release Date: 1998.05.01