CS Numbers – 은영이에게 (Feat. 현지)
Track 01 from Single "은영이에게"
Release Date: 2018.07.07
CS Numbers – 혼자왔어요 (Feat. 현지, 교연)
Track 01 from Single "CS NUMBERS 13. 혼자왔어요"
Release Date: 2018.08.12
CS Numbers – 가슴으로 운다
Track 02 from EP "CS Numbers Vol.9"
Release Date: 2014.09.25
CS Numbers – 가슴으로 운다 (Ver.III 제이세라, 아이린)
Track 02 from EP "Love Harmony"
Release Date: 2011.08.30
CS Numbers – 가슴으로 운다 (Ver.II DK, 윤혁)
Track 01 from EP "Love Harmony"
Release Date: 2011.08.30