제이 – 그때까지
Track 02 from Album "Dim The Lights"
Release Date: 2002.04.11
제이 – Happy Person (English Ver.)
Track 01 from Single "Happy Person"
Release Date: 2013.11.25
제이 – Undivided Love
Track 01 from Album "Chocolate"
Release Date: 2000.12.01
이재훈 (쿨), 제이 – 둘이서
Track 01 from Single "둘이서"
Release Date: 2011.11.28
제이 – 오락가락
Track 53 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – The Boss
Track 52 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – 떠나가 버려
Track 44 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – Time Out
Track 43 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – The Boss
Track 41 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – 먹이사슬
Track 39 from Album "You Seung Jun Best & J Duet Collection"
Release Date: 2001.09.01
제이 – Above All
Track 05 from Album "미라클 1집"
Release Date: 2004.04.01
제이 – My Lord
Track 01 from Album "미라클 1집"
Release Date: 2004.04.01
제이 – Don’t Be Afraid
Track 16 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 빛 (Acoustic Ver.)
Track 14 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – Erase The Dayz
Track 13 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – Open
Track 12 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 집착
Track 11 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – Feed Me Full
Track 10 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 그래도 난
Track 09 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 마지막 선물
Track 08 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – Ever
Track 07 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 멀어지나요
Track 06 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 가장 슬픈 말
Track 05 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 비밀
Track 04 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – My Life
Track 03 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 빛
Track 02 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – 내 안의 날
Track 01 from Album "Beautiful Ones"
Release Date: 2001.06.21
제이 – The Crush Of Love
Track 14 from Album "The Crush Of Love"
Release Date: 2004.09.23
제이 – 마지막 기도
Track 13 from Album "The Crush Of Love"
Release Date: 2004.09.23
제이 – 괜찮을까요
Track 12 from Album "The Crush Of Love"
Release Date: 2004.09.23