지숙, 정일훈 – 배시시
Track 01 from Single "배시시"
Release Date: 2017.08.24
정일훈 – Always (Feat. 진호 Of 펜타곤)
Track 05 from EP "Big wave"
Release Date: 2018.03.08
정일훈 – Big wave
Track 04 from EP "Big wave"
Release Date: 2018.03.08
정일훈 – She’s gone
Track 03 from EP "Big wave"
Release Date: 2018.03.08
정일훈 – 멋진 구두 (Fancy shoes remastered ver.)
Track 02 from EP "Big wave"
Release Date: 2018.03.08
정일훈 – 얘기 좀 해요 (Feat. 임현식 Of 비투비)
Track 01 from EP "Big wave"
Release Date: 2018.03.08
정일훈 – Fancy Shoes
Track 01 from Single "Piece of BTOB Vol.2"
Release Date: 2017.05.30
정일훈 – Spoiler (Feat. Babylon)
Track 01 from Single "Spoiler (Feat. Babylon)"
Release Date: 2019.02.21
민아 (Minah), 정일훈 – 사랑이었다
Track 01 from Single "절대그이 OST Part.7"
Release Date: 2019.06.27
이민혁 (HUTA), 프니엘 (PENIEL), 정일훈 – IceBreaker
Track 05 from EP "THIS IS US"
Release Date: 2018.06.18
이민혁 (HUTA), 정일훈, 프니엘 (PENIEL) – Neverland (Feat. G.NA)
Track 04 from EP "I Mean"
Release Date: 2015.10.12
이민혁 (HUTA), 정일훈, 프니엘 (PENIEL) – Hello Mello
Track 04 from EP "뛰뛰빵빵"
Release Date: 2014.02.17
이민혁 (HUTA), 프니엘 (PENIEL), 정일훈 – 넌 나의 천사 (Feat. JOO)
Track 04 from EP "Move"
Release Date: 2014.09.29
이민혁 (HUTA), 프니엘 (PENIEL), 정일훈, 예은 (CLC), 우석 (펜타곤), 전소연 – Mermaid
Track 02 from EP "ONE"
Release Date: 2018.06.17
민아 (Minah), 정일훈 – 사랑이었다
Track 07 from Album "절대그이 OST"
Release Date: 2019.07.18
양희은, 이민혁 (HUTA), 정일훈, 프니엘 (PENIEL) – 요즘 어때? 위 러뷰 쏘
Track 03 from Single "판타스틱 듀오 2 Part.11"
Release Date: 2017.08.13