조하랑 – Happy Girl (Feat. 쟝그린)
Track 03 from EP "홀로서기"
Release Date: 2010.10.20
조하랑 – Solo Paradise
Track 02 from Single "White Luv"
Release Date: 2011.12.07
조하랑 – 하루만 (Feat. 정운)
Track 01 from EP "홀로서기"
Release Date: 2010.10.20
조하랑 – White Luv
Track 01 from Single "White Luv"
Release Date: 2011.12.07
어니스트, 조하랑 – Because Of You
Track 01 from EP "친애하는 당신에게 OST"
Release Date: 2012.08.01