홍가 – Forest S
Release Date: 2018.05.29
홍가 – 영화 일진 OST
Release Date: 2018.02.23
홍가 – SoWhat Single
Release Date: 2018.01.19
홍가 – 아마도 내일은 OST
Release Date: 2017.03.16
홍가 – Such a day S
Release Date: 2018.12.11
홍가 – Rooftop S
Release Date: 2018.09.12
홍가 – Midnight S
Release Date: 2018.11.06
홍가 – nostress S
Release Date: 2018.07.27
홍가 – Girl리지마라
Release Date: 2015.09.04