박현웅, 신민재 – 친구가 아니야
Track 01 from Single "친구가 아니야"
Release Date: 2014.03.10
박현웅, 신민재 – 널 울리는 말
Track 01 from Single "널 울리는 말"
Release Date: 2013.12.11
Be One with Kpop - with Lyric
Track 01 from Single "친구가 아니야"
Release Date: 2014.03.10
Track 01 from Single "날 혼자 두지마 (Don't Let Me Be Alone)"
Release Date: 2014.06.10
Track 01 from Single "널 울리는 말"
Release Date: 2013.12.11
Track 01 from Single "그런 날"
Release Date: 2013.10.24