박재정, 소각소각 – 아직, 우린
Track 01 from Single "달콤데이#6 아직, 우린"
Release Date: 2018.10.26
박재정 – 몰랐어
Track 01 from Single "죽어도 좋아 (KBS 2TV 수목드라마) OST - Part.6"
Release Date: 2018.12.19
박재정 – Dream
Track 01 from Single "톱스타 유백이 OST Part 3"
Release Date: 2019.01.11
박재정 – Dream
Track 03 from Album "톱스타 유백이 OST"
Release Date: 2019.01.25
박재정 – 꼬박
Track 01 from Single "LISTEN 030 꼬박"
Release Date: 2019.02.10
박재정 – Tonight
Track 01 from Single "바람이 분다 OST Part.2"
Release Date: 2019.06.10
박재정 – 너의 마지막이고 싶다
Track 06 from EP "노랫말"
Release Date: 2019.07.01
박재정 – 사랑한 만큼
Track 07 from EP "노랫말"
Release Date: 2019.07.01
박재정 – 러브레터
Track 04 from EP "노랫말"
Release Date: 2019.07.01
박재정 – 받아줄 수 없는 마음
Track 05 from EP "노랫말"
Release Date: 2019.07.01
박재정 – Serenade
Track 01 from EP "노랫말"
Release Date: 2019.07.01
박재정 – 다시 태어날 수 있다면
Track 02 from EP "노랫말"
Release Date: 2019.07.01
소유 (SOYOU), 박재정 – 카세트 테이프
Track 02 from EP "더 콜 2 (The Call 2) 네 번째 프로젝트"
Release Date: 2019.08.31
소유 (SOYOU), 행주, 박재정 – 썸 비슷한
Track 04 from EP "더 콜 2 (The Call 2) Final 프로젝트"
Release Date: 2019.09.14
선우정아, SURAN (수란), 김현우, 박경, 송유빈 (비오브유), 박재정 – 만나려 해
Track 01 from Single "멜로디책방 Part 3"
Release Date: 2019.10.23
박재정 – 얼음인형
Track 01 from Single "날 녹여주오 OST Part 4"
Release Date: 2019.10.27
박재정 – 햇살 바람 별빛 그대
Track 01 from Single "조선로코 - 녹두전 (KBS2 월화드라마) OST - Part.9"
Release Date: 2019.11.11
박재정 – 얼음인형
Track 04 from Album "날 녹여주오 OST"
Release Date: 2019.11.18
박보람, 박재정 – 두 혼자
Track 01 from Single "두 혼자"
Release Date: 2019.11.28
박재정 – 가벼운 결심
Track 01 from Single "LISTEN 034 가벼운 결심"
Release Date: 2020.01.01
박재정 – In The Night
Track 01 from Single "하이바이, 마마! OST Part 5"
Release Date: 2020.04.12
박재정 – In The Night
Track 05 from Album "하이바이, 마마! OST"
Release Date: 2020.04.20
제아, 치타 (CHEETAH), 오하영 (에이핑크), 서은광 (비투비), 박재정 – With A Song
Track 01 from Single "With A Song"
Release Date: 2020.09.01
박재정 – 너라는 위로
Track 01 from Single "LISTEN SPECIAL 너라는 위로"
Release Date: 2020.11.10