SunFlower
Single • 2026
Huh Gak
Crazy Love Song
Single • 2026
Positively Yours X Huh Gak
Single • 2026
When the First Snow Falls
Single • 2026
Farewell for myself (Veiled Musician X HuhGak with Madu-dong Samdaejang)
Single • 2025
Shiny Star(The Listen 5)
Single • 2025
Beautiful fact
Single • 2025
September 24th (9월 24일)
Single • 2025
Bon Appetit Your Majesty (Original Television Soundtrack), Pt. 2
Single • 2025
H.Y.B. Project - Your Song, My Voice #2 ‘Get Ready To Leave’ (허용별 프로젝트 - 니곡내곡 #2 '떠나보낼 준비해 둘걸 그랬어') (feat. Onestar)
Single • 2025
Only (단)
Single • 2025
too late to love you
Single • 2025
I’m In Tears (눈물이 왈칵 쏟아진다)
Single • 2024
To Heaven
Single • 2024
It's Love
Single • 2024
Old Song
Single • 2024
Because of love (사랑을 하기는 했나 봐)
Single • 2024
I hope
Single • 2024
Fingding Hook Part 2 (훅 까놓고 말해서 Part 2)
Single • 2023
With you
Single • 2023
The Work Of Erasing You
Single • 2023
Endless
Single • 2023
Apgujeong Rodeo
Single • 2022
Save Me
Single • 2022
Drunken Night (술이 뭐길래)
Single • 2022
FINE
Single • 2022
Nothing Without You (Nth Romance X Huh Gak) (너 없이 사는 게 (N번째 연애 X 허각))
Single • 2021
Drinking (REVIBE Vol.5) (술이야 (REVIBE Vol.5))
Single • 2021
THE M
Single • 2021
I can't go to Sinchon
Single • 2021
X by X [Memory]
Single • 2021
UNDERCOVER, Pt. 6 (Original Television Soundtrack)
Single • 2021
Hello, Me! (Original Soundtrack, Pt. 4)
Single • 2021
Confession (From "Romance 101")
Single • 2021
Without you (듣고 싶던 말)
Single • 2020
The World of the Married, Pt. 5 (Original Television Soundtrack)
Single • 2020
조선로코 - 녹두전 (KBS2 월화드라마) OST - Part.8
Single • 2019
Let you go (이별은 늘 그렇게)
Single • 2019
단, 하나의 사랑 OST Part.4
Single • 2019
왜그래 풍상씨 (KBS 2TV 수목드라마) OST - Part.6
Single • 2019
Clean With Passion For Now, Pt. 8 (Original Television Soundtrack)
Single • 2019
Empty words (흔한 이별)
Single • 2018
훈남정음 (Original Television Soundtrack) Pt. 4
Single • 2018
훈남정음 (SBS 수목드라마) OST - Part.4
Single • 2018
The Last Night (마지막으로 안아도 될까)
Single • 2018
Only You (바보야)
Single • 2017
안단테 (KBS 일요드라마) OST - Part.1
Single • 2017
‘PLAN A’ THIRD EPISODE ('‘PLAN A’ THIRD EPISODE)
Single • 2017
Man to Man, Pt. 3 (Original Television Soundtrack)
Single • 2017
Band-Aid (반창고)
Single • 2017
Love Letter (戀書(연서))
EP • 2017
‘PLAN A’ FIRST EPISODE
Single • 2016
Already Winter (벌써 겨울)
Single • 2016
Story of Winter (겨울동화)
EP • 2015
Up All Night (밤을 새)
Single • 2015
Town Bar (동네술집)
Single • 2015
Snow Of April (사월의 눈)
EP • 2015
DAY N NIGHT
Single • 2014
A CUBE' FOR SEASON # SKY BLUE ('A CUBE' FOR SEASON # SKY BLUE)
Single • 2014
My Love From the Star (Original Soundtrack) Part 6
Single • 2014
Reminisce
EP • 2013
You Are Mine (넌 내꺼라는걸)
Single • 2013
`A CUBE` FOR SEASON # BLUE
Single • 2013
Sick (아프다)
Single • 2012
I Need You
Single • 2012
'허각-한사람' 빅 OST
Single • 2012
LACRIMOSO
EP • 2012
Whenever you play that song(그 노래를 틀때마다)
Single • 2011
I Can Only Say I Want to Die (죽고 싶단 말 밖에)
Single • 2011
LIKE 1st MINI ALBUM “First Story”
EP • 2011
My Last Love OST Part.5 (최고의 사랑 OST Part.5)
Single • 2011
`My Best` 영화 글러브 OST
Single • 2011
허각 1st 미니앨범
EP • 2010