Hyorin (효린 of SISTAR) (Hyolyn) - Turnaround (The Little Prince OST)
SISTAR Hyolyn (Hyorin) - Who you are to me (OST Man of Honor)
SISTAR Hyolyn (Hyorin) & T-Ara Ji Yeon & Ailee - Superstar - Hershe (OST Dream High 2)
SISTAR Hyolyn (Hyorin) - I Choose To Love You (OST I Find Love)
Hyorin (효린 of SISTAR) (Hyolyn) - 미치게 만들어 (Driving Me Crazy) (The Master's Sun OST Part 3)
Hyorin (효린 of SISTAR) (Hyolyn) - 미치게 만들어 (Driving Me Crazy) (Inst.) (The Master's Sun OST Part 3)
Hyorin (효린 of SISTAR) (Hyolyn) - Let It Go (Korean Ver.)
Hyorin (효린 of SISTAR) (Hyolyn) - 내겐 너니까 (Because It's You) (Man Of Honor OST Part 1)
Soyou & Hyorin (소유 & 효린 of SISTAR) (Hyolyn) - 꽃이 핀다 (Growing)
Hyorin (효린 of SISTAR) (Hyolyn) - Closer
Hyorin (효린 of SISTAR) (Hyolyn) - 오늘 밤 (Tonight)
Hyorin (효린 of SISTAR) (Hyolyn) - 이유같지 않은 이유 (Unreasonable Reason) (I Am A Singer 3)
Hyorin (효린 of SISTAR) (Hyolyn) - 희야 (HeeYa) (Immortal Song 2)
Hyorin (효린 of SISTAR) (Hyolyn) - 슬픈 인연 (Sad Fate) (Yesterday 20140301)
Hyorin (효린 of SISTAR) (Hyolyn) - 너밖에 몰라 (One Way Love)
Hyorin (효린 of SISTAR) (Hyolyn) - 사랑 하지 마 (Don't Love Me)
Soyou & Hyorin (소유 & 효린 of SISTAR) (Hyolyn) - 꽃이 핀다 (Growing) (K.Will cover)
Hyorin (효린 of SISTAR) (Hyolyn) - Turnaround
Hyorin (효린 of SISTAR) (Hyolyn) - 안녕 (Hello, Goodbye) (You Who Came From The Stars OST Part 4)
Hyorin (효린 of SISTAR) (Hyolyn) - 안녕 (Hello, Goodbye) (You Who Came From The Stars OST Part 4) (Inst)
Hyorin (효린 of SISTAR) (Hyolyn) - Turn around (The Little Prince OST)
Hyorin (효린 of SISTAR) (Hyolyn) - 보고싶어 (Uncontrollably Fond OST Part 5)
Hyorin (효린 of SISTAR) (Hyolyn) - 보고싶어 (Inst.) (Uncontrollably Fond OST Part 5)
Hyorin (효린 of SISTAR) (Hyolyn) - Dope
Hyorin (효린 of SISTAR) (Hyolyn) - 파라다이스 (Paradise)
Hyorin (효린 of SISTAR) (Hyolyn) - 꺼져 (Get Out)
Hyorin (효린 of SISTAR) (Hyolyn) Feat. Dok2 (도끼) - Love Like This
Hyorin (효린 of SISTAR) (Hyolyn) Feat. Jay Park (박재범) & GEEGOOIN (지구인) (Prod. by 박재범, Cha Cha Malone) - 사랑 할 때 아니야 (Money)
Mad Clown (매드클라운) Feat. Hyorin (효린 of SISTAR) (Hyolyn) - 견딜만해 (Without You)
Hyorin (효린 of SISTAR) (Hyolyn) Feat. Mad Clown (매드클라운) - 스토커 (Stalker)
Hyorin (효린 of SISTAR) (Hyolyn), Bumkey (주영), Jooyoung (주영) - Love Line
Hyorin (효린 of SISTAR) (Hyolyn) X JooYoung (주영) (feat. Iron) - 지워(Erase)
Hyorin (효린 of SISTAR) (Hyolyn) Feat. Jay Park (박재범) - One Step
Hyorin (효린 of SISTAR) (Hyolyn) Feat. Jooheon (주헌 of MONSTA X) - Slow