AJ – 후회 (Feat. 박은옥)
Track 02 from EP "사랑은 없다"
Release Date: 2017.08.14
AJ – 세상의 빛 (With 선진)
Track 01 from Single "세상의 빛"
Release Date: 2016.12.20
AJ – 봄바람 (Feat. 박은옥)
Track 01 from EP "사랑은 없다"
Release Date: 2017.08.14
AJ – 후회 (With. 박은옥)
Track 04 from EP "난, 아직도 당신이 그립습니다."
Release Date: 2017.12.26
AJ – 너가 떠나던날 (With. 박은옥)
Track 03 from EP "난, 아직도 당신이 그립습니다."
Release Date: 2017.12.26
AJ – Midnight (With. 민우)
Track 02 from EP "난, 아직도 당신이 그립습니다."
Release Date: 2017.12.26
AJ – 이별의 이유 (With. 박은옥)
Track 01 from EP "난, 아직도 당신이 그립습니다."
Release Date: 2017.12.26
AJ – 잊지말아요 (With. 선진)
Track 01 from Single "잊지말아요"
Release Date: 2016.11.28
AJ – 의미 없는 나날(Vocal by Cardigan, 박은옥)
Track 01 from Single "의미 없는 나날"
Release Date: 2020.07.20
AJ – 지수에게 (Vocal by 로로현)
Track 01 from Single "지수에게"
Release Date: 2021.02.09
AJ – 준비된 이별 (With 박은옥)
Track 01 from Single "준비된 이별"
Release Date: 2017.02.21
AJ – 한번쯤 (With 박은옥)
Track 01 from Single "한번쯤"
Release Date: 2017.03.21
AJ – 지워줄게 (Vocal by 스티브언니)
Track 01 from Single "지워줄게"
Release Date: 2019.02.21
AJ – 함께 걷던 길 (With 선진)
Track 01 from Single "함께 걷던 길"
Release Date: 2017.01.26
AJ – 다른 길을 걷고 다른 사랑을 찾아가 (Vocal by 이경환)
Track 01 from EP "다른 길을 걷고 다른 사랑을 찾아가"
Release Date: 2021.01.05
AJ – 어제의 추억으로 내일을 살아가(Vocal by 박은옥)
Track 01 from Single "어제의 추억으로 내일을 살아가"
Release Date: 2020.06.26
AJ – white flower (Vocal by 뜨때로)
Track 01 from Single "white flower"
Release Date: 2020.08.12
AJ – 시간을 건너 (Vocal by 이진용)
Track 01 from Single "시간을 건너"
Release Date: 2021.06.09
AJ – Midnight (Feat. 민우)
Track 01 from Single "Midnight"
Release Date: 2017.11.27