기수(GeeSoo) – 안부 (With 박송이)
Track 01 from Single "기수 NUMBER PROJECT (NO.12)"
Release Date: 2020.06.08
기수(GeeSoo) – 좋아해요 (With 달리)
Track 01 from Single "기수 NUMBER PROJECT (NO.9)"
Release Date: 2019.04.15
기수(GeeSoo) – 햇살(with 테너 정규남)
Track 02 from EP "기수 NUMBER PROJECT (NO.14&15)"
Release Date: 2021.08.05
기수(GeeSoo) – 햇살(Vocal 최이슬)
Track 01 from EP "기수 NUMBER PROJECT (NO.14&15)"
Release Date: 2021.08.05
기수(GeeSoo) – 되는지 (With 가윤&종혁)
Track 01 from Single "기수 NUMBER PROJECT (NO.8)"
Release Date: 2018.06.12
기수(GeeSoo) – Adios (with 이하린, $layer)
Track 01 from Single "기수 NUMBER PROJECT (NO.13)"
Release Date: 2021.05.31