김동혁, 김아영 – Angela
Track 01 from Single "Dear My Little Angela"
Release Date: 2019.08.30
김동혁 – 사람사랑
Track 01 from Single "사람사랑"
Release Date: 2014.11.19
BOBBY, 구준회, 김동혁 – 사랑인걸
Track 01 from Single "투유 프로젝트 - 슈가맨 Part.14"
Release Date: 2016.01.20
Collective Arts (콜렉티브아츠), 김동혁 – 묻지 말아줘요
Track 02 from EP "Note#11"
Release Date: 2018.08.16