홍대광 – 난 말야
Track 04 from Album "멀어진다"
Release Date: 2013.04.19
홍대광 – 너로 완벽한 순간
Track 01 from Single "너로 완벽한 순간"
Release Date: 2019.06.04
홍대광 – Take My Hand
Track 01 from Single "땐뽀걸즈 OST Part.1"
Release Date: 2018.12.13
홍대광 – 니 생각
Track 01 from Single "하자있는 인간들 OST Part.4"
Release Date: 2019.12.19
홍대광 – LOVE begins
Track 01 from Single "한번 더 해피엔딩 OST Part.3"
Release Date: 2016.01.28
홍대광 – 바람 위로
Track 01 from Single "바람 위로"
Release Date: 2020.02.16
홍대광 – 봄의 한가운데
Track 01 from Single "봄의 한가운데"
Release Date: 2020.03.22
홍대광 – My Room
Track 05 from Album "멈추고 싶은 순간 : 어바웃타임 OST"
Release Date: 2018.07.10
홍대광 – 내 낡은 서랍 속의 바다
Track 04 from EP "슈퍼스타K4 Top 12 Part.5"
Release Date: 2012.11.12
홍대광 – 뜨거운 안녕
Track 02 from EP "슈퍼스타K4 Top 12 Part.4"
Release Date: 2012.11.05
홍대광 – I Feel You
Track 05 from Album "괜찮아 사랑이야 OST Vol.1"
Release Date: 2014.08.21
홍대광, Kei (러블리즈) – 연애하고 싶어
Track 04 from EP "Story About : 썸, 한달 Episode 5"
Release Date: 2017.06.28
홍대광 – 사랑인 걸까?
Track 01 from Album "내성적인 보스 OST"
Release Date: 2017.03.14