$ÜN (썬), 효린 – JOKER & HOLLY-QUEEN
Track 03 from Single "JOKER & HOLLY-QUEEN"
Release Date: 2020.10.23
효린 – SAY MY NAME
Track 02 from EP "SAY MY NAME"
Release Date: 2020.08.19
효린 – One Step (Feat. 박재범)
Track 03 from EP "IT'S ME"
Release Date: 2016.11.08
효린 – Love Like This (Feat. Dok2)
Track 02 from EP "IT'S ME"
Release Date: 2016.11.08
효린 – 모닝콜 (Morning Call)
Track 01 from EP "SAY MY NAME"
Release Date: 2020.08.19
효린 – Paradise
Track 01 from EP "IT'S ME"
Release Date: 2016.11.08
효린 – 스쳐간 꿈처럼
Track 01 from Single "돈꽃 OST Part.4"
Release Date: 2018.01.13
효린 – ALWAYS
Track 01 from Single "명불허전 OST Part.2"
Release Date: 2017.08.27
효린 – Spell
Track 01 from Single "Spell"
Release Date: 2020.11.23
효린 – 태엽시계
Track 01 from Single "흑기사 OST Part.3"
Release Date: 2017.12.20
효린 – STAY
Track 01 from Single "동네변호사 조들호2 : 죄와 벌 OST Part.1"
Release Date: 2019.01.07
효린 – 서로의 눈물이 되어
Track 01 from Single "화랑 OST Part.5"
Release Date: 2017.01.10
효린 – 말 없이 안아줘 (feat. 크루셜스타)
Track 01 from Single "#xhyolynx"
Release Date: 2020.01.31
효린, 창모 (CHANGMO) – BLUE MOON (Prod. GroovyRoom)
Track 01 from Single "BLUE MOON"
Release Date: 2017.04.14
효린 – 내일할래 (To Do List)
Track 01 from Single "HYOLYN SET UP TIME #1 내일할래 (To Do List)"
Release Date: 2018.02.06
효린 – 바다보러갈래 (SEE SEA)
Track 01 from Single "바다보러갈래 (SEE SEA)"
Release Date: 2018.07.20
효린 – 없던 이유 (feat. 매드 클라운, 김승민)
Track 01 from Single "없던 이유"
Release Date: 2021.07.08
효린 – Return
Track 01 from Album "나의 위험한 아내 OST Special"
Release Date: 2020.11.24
효린, 다솜 – 둘 중에 골라 (Summer or Summer)
Track 01 from Single "둘 중에 골라 (Summer or Summer)"
Release Date: 2021.08.10
효린 – 서로의 눈물이 되어
Track 03 from Album "화랑 OST Album"
Release Date: 2017.02.21
효린, 지연, 에일리(AILEE) – Super Star
Track 04 from Album "드림하이2 OST"
Release Date: 2012.03.26
효린 – My Love (Feat. 베이식)
Track 10 from Album "언프리티 랩스타 2 컴필레이션"
Release Date: 2015.12.02
효린 – 사랑 할 때 아니야 (Money) (Prod. By 박재범, Cha Cha Malone) (Feat. 박재범, 지구인)
Track 05 from Album "언프리티 랩스타 2 컴필레이션"
Release Date: 2015.12.02
효린 – My Love (Feat. 베이식)
Track 01 from EP "언프리티 랩스타 2 SEMI FINAL Part.1"
Release Date: 2015.11.07
효린 – ALWAYS
Track 22 from Album "The OST"
Release Date: 2019.03.14
양다일, 효린 – 그리워
Track 01 from Single "그리워"
Release Date: 2016.08.31