2013 - 9 tracks

Nom - Double K

2017 - 1 tracks

U Don't (Original Ver.) (Single) - Double K

2015 - 1 tracks

To Dream - Double K

2019 - 1 tracks

Bad Behavior (Single) - Double K

2019 - 1 tracks

Beautiful (Single) - Kind, Ha Dong Kyun, Double K

2012 - 1 tracks

2012 MAMA ‘No Music No Life’ - Double K

2013 - 3 tracks

With Laughter or With Tears - Seo In Guk

2010 - 6 tracks

Just Beginning - Seo In Guk

2016 - 2 tracks

Bebe (Single) - Seo In Guk

2017 - 2 tracks

Tomorrow With You OST Part.1 - Seo In Guk

2018 - 2 tracks

Hundred Million Stars From the Sky OST Part.2 - Seo In Guk, Jung So Min

2014 - 2 tracks

High School King OST Part.4 - Seo In Guk

2013 - 14 tracks

Hustle Real Hard - Dok2

2015 - 18 tracks

WORLDWIDE - Jay Park, Dok2, The Quiett

2012 - 9 tracks

Welcome To Business - D-Unit, Dok2

2011 - 1 tracks

Don't Do That - Dok2

2014 - 1 tracks

Finale - Sojin, Dok2

2015 - 1 tracks

Temperature Difference Remix - Moonshine, Dok2