Kook-Ka-Bu, Pt. 25 - Single

Lee Solomon, Bak Chang Geun & Park Jang Hyeon

Kook-Ka-Su, Pt. 3 - EP

Bak Chang Geun, Lee Solomon, Ko Eun Sung & 이병찬
Kook-Ka-Bu, Pt. 31 - EP

JO YEONHO, Bak Chang Geun, Lee Solomon & Park Jang Hyeon
Kook-Ka-Bu, Pt. 14 - Single

Bak Chang Geun & Lee Solomon
Nocturn (from Kook-Ka-Bu, Pt. 48) - Single

Lee Solomon
Turtle - Single

Lee Solomon
Kook-Ka-Bu, Pt. 22 - Single

Lee Solomon, 이병찬 & Son Jinwook
Kook-Ka-Bu, Pt. 15 - Single

Park Jang Hyeon, Lee Solomon & Bak Chang Geun
Icy dust - Single

Lee Solomon
Praise of Youth - Single

Lee Solomon
Kook-Ka-Bu, Pt. 29 - EP

이병찬, Bak Chang Geun, Lee Solomon & Son Jinwook
Kook-Ka-Bu, Pt. 34 - Single

Park Jang Hyeon, Lee Solomon & Bak Chang Geun
Kook-Ka-Bu, Pt. 25 - Single

Lee Solomon, Bak Chang Geun & Park Jang Hyeon
When the dawn calls me abruptly

Lee Solomon
Kook-Ka-Bu, Pt. 35 - Single

Kim Dong Hyun, Park Jang Hyeon & Lee Solomon
Kook-Ka-Bu, Pt. 37 - EP

Lee Solomon, Ha Dong Yeon, 이병찬 & JO YEONHO
A fine day - Single

Lee Solomon
Kook-Ka-Bu, Pt. 18 - EP

Bak Chang Geun, Lee Solomon, Ha Dong Yeon & Son Jinwook
Love Is - Single

Lee Solomon
Poet - Single

Lee Solomon
I Can’t (Re:WIND 4MEN Vol. 1) - Single

Lee Solomon
One day, suddenly (from Kook-Ka-Bu, Pt. 43) - Single

Lee Solomon
Jinxed at First (Original Television Soundtrack), Pt. 3 - Single

Lee Solomon
Love is forever (from Kook-Ka-Bu, Pt. 41) - Single

Lee Solomon