장필순 – 연대기
Track 04 from EP "뉴페스타 EPISODE.4"
Release Date: 2022.06.29
강승원, 장필순 – 숨바꼭질 (Hide and Seek)
Track 01 from Single "강승원 이집 PART.2 - 숨바꼭질"
Release Date: 2021.10.29
장필순 – 거기, 그대
Track 01 from Single "Are you there (잘 있나요)"
Release Date: 2021.10.24
장필순 – 나의 외로움이 널 부를때 (Piano Ver.)
Track 03 from EP "Soony Rework7"
Release Date: 2017.03.23
장필순 – 나의 외로움이 널 부를때 (A Guitar Ver.)
Track 02 from EP "Soony Rework7"
Release Date: 2017.03.23