A Day - Single

Fine - EP

JTBC Begin Again3 Episode 8 - Single

2006 - EP

한마디

The LIGHTS

JTBC Begin Again3 Episode 9 - Single

One Another - Single

Begin Again Korea, Episode. 6 (Original Television Soundtrack) - EP

CLICHÉ

Tattoo - Single

Warm - Single

Do You Want to Walk with Me? (Romance 101) [Original Soundtrack] - Single

Trip: Tape #01 - Single

Nevertheless, (Original Television Soundtrack, Pt. 7) - Single

No, Thanks (feat. Zion.T) - Single

Midnight Call - Single

Closer - Single

사랑한대 - Single

Oh, Love - Single

Bit by Bit, Slowly, To You - Single

투유프로젝트 - Sugar Man3, Episode. 11 - EP

XX (Original Television Soundtrack) Pt. 2 - Single

Motel California Part.1 (Original Soundtrack) [From "Motel California"] - Single

Caught Between Marriage & Divorce Season 2, Pt. 2 (Original Soundtrack) - Single

I'll be your star (The Last 10 Years) - Single

Somehow Different - Single

One Drop a Day (Original Soundtrack) Pt. 1 - EP

Perfect Family (Original Television Soundtrack) Pt. 1 - Single

18 again, Pt. 6 (Original Television Soundtrack) - Single

At Eighteen, Pt. 5 (Original Television Soundtrack) - Single

On the Road (X-MAS Project, Vol. 1) [feat. 적재] - Single

Jirisan (Original Television Soundtrack) Pt. 10 - Single

Once We Were Us (Original Motion Picture Soundtrack) Special Track - Single

The Queen Who Crowns Part.4 (Original Soundtrack) [From The Queen Who Crowns] - Single