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Summer Night (Remix) / 2016
1. Summer Night (Remix) (Feat. Hoody)
GOOD (with 로꼬) / 2016
1. Good (Feat. ELO)
grayground.01 (Digital Single) / 2015
1. 하기나 해 (Feat. 로꼬)
Call Me Gray (EP) / 2013
1. In My Head (Feat. Swings)
2. 위험해 (Dangerous) (Feat. Jay Park)
3. 꿈이 뭐야 (Feat. Dok2 & Crush)
4. Summer Night
깜빡 Remix (Digital Single) / 2013
1. 깜빡 Remix (Feat. Crush, ELO & JINBO)
깜빡 (Digital Single) / 2012
1. 깜빡 (Feat. Zion.T & Crucial Star)