찬성 – Love U Down
Track 09 from Album "2PM 3rd Album Grown_Grand Edition"
Release Date: 2013.06.19
택연, 찬성 – 사랑한단 말
Track 15 from Album "미친거 아니야?"
Release Date: 2014.09.29
택연, 찬성 – 돌아와줘 (Feat. 백아연)
Track 13 from Album "미친거 아니야?"
Release Date: 2014.09.29
찬성 – 향수
Track 04 from Album "2PM 3rd Album Grown_Grand Edition"
Release Date: 2013.06.19