Gakko (Instrumental)
Iwatami Hiroshi
学校
佐高陵平
INVITATION
JUNNY, GAEKO
Babay
Zion.T, GAEKO
eTunnel（地下通道）
Primary, 吴赫, GAEKO
Gakko
Pınar Aydınlar
Gakko
Volkan Bektaş
Gakko
Aaron Choulai
gakko
Michiru Aoyama
Who Are You (Feat. Gaeko)
BoA, GAEKO
Fast (스터디그룹 X 개코, 쿠기 (Coogie))
GAEKO, Coogie
화장 지웠어 (No Make Up)
GAEKO, Zion.T, HA:TFELT
朦胧 (Just us 2) (Feat. Gaeko)
EXO-SC, GAEKO
翅膀 (Fly Away) (Feat. Gaeko)
EXO-SC, GAEKO
Jumper
Code Kunst, GAEKO, 宋旻浩
깍지껴요 (Feat. Gaeko From Dynamicduo)
알렉스, GAEKO
恋の学校
麻丘めぐみ
GAKKO STOMP
The Privates
In Love
Gakko 3
Glued
Gakko 3
Club Idiot Saturday Drive
Gakko 3
The University
Gakko 3
Out Of Line
Gakko 3
Heart Goes Boom
Gakko 3
Spinning Around
Gakko 3
Mylky Way
Gakko 3
Naked In The Sun
Gakko 3
The 80's
Gakko 3
가꼽다
Do&Be Sound
가꼽다
Do&Be Sound