Roy C. – 그만큼 사랑했음을 (Feat. 세이즈, 다온)
Track 03 from Album "Welcome 2 Da Dreamix III"
Release Date: 2012.10.12
Roy C. – 바람꽃 (Feat. 다온, 새암)
Track 01 from Single "바람꽃"
Release Date: 2011.12.14
Roy C. – 쉬고 싶다 (Feat. 이성은) (Solo Ver.)
Track 03 from EP "Return To The Heart"
Release Date: 2011.04.04
Roy C. – 열병 2 (Feat. 시노, Narr. 최신재)
Track 02 from EP "Return To The Heart"
Release Date: 2011.04.04
Roy C. – 오늘까지만 울게 (Feat. 새암)
Track 02 from Album "Welcome 2 Da Dreamix III"
Release Date: 2012.10.12
Run Into – 악몽 (Feat. L juN)
Track 01 from Single "Before Sunrise"
Release Date: 2011.11.14
Q준 – 첫사랑 (Feat. 전성은)
Track 01 from Single "첫사랑"
Release Date: 2012.04.04
Q준 – 무미건조한 이야기 (Feat. Cougar House)
Track 01 from Single "무미건조한 이야기"
Release Date: 2012.05.14