윤산하 (ASTRO) – BLEEDING
Track 05 from EP 'DUSK'
윤산하 (ASTRO) – Rain Down On Me
Track 06 from EP 'DUSK'
윤산하 (ASTRO) – Dive
Track 04 from EP 'DUSK'
윤산하 (ASTRO) – 여우별
Track 01 from EP 'DUSK'
윤산하 (ASTRO) – Losing My Mind
Track 02 from EP 'DUSK'
윤산하 (ASTRO) – BITTERSWEET MISTAKE
Track 03 from EP 'DUSK'
윤산하 (ASTRO), 찬미 (AOA) – One More Chance
Track 01 from Single "사랑공식 11M (UHD 웹드라마) OST"
Release Date: 2019.11.11
빌리어코스티, 윤산하 (ASTRO) – 잘 알지도 못하면서
Track 01 from Single "FM201.8-02Hz : 잘 알지도 못하면서"
Release Date: 2018.02.07
윤산하 (ASTRO) – 모든 날, 모든 순간(볏 속까지 가수다! 추남)
Track 02 from Single "복면가왕 171회"
Release Date: 2018.09.30
경선 (바버렛츠), 윤산하 (ASTRO) – 언제쯤이면(어디서 타는 냄새 안나요? 가을타는 추녀, 볏 속까지 가수다! 추남)
Track 01 from Single "복면가왕 171회"
Release Date: 2018.09.30
빌리어코스티, 윤산하 (ASTRO) – 잘 알지도 못하면서
Track 11 from Album "FM201.8"
Release Date: 2018.12.13