這些都是孝琳唱過的OST！

孝琳 (Hyolyn) - My Lawyer, Mr. Joe 2 : Crime and Punishment Pt.1 (Original Television Soundtrack)

孝琳 (Hyolyn) - 30 But 17 OST Part.2

孝琳 (Hyolyn) - 花郎, Pt. 5 (HWARANG, Pt. 5 (Music from the Original TV Series)) - Music from the Original TV Series

孝琳 (Hyolyn) - 任意依戀 電視劇原聲帶 VOL.1

孝琳 (Hyolyn) - The Little Prince OST

孝琳 (Hyolyn) - Mendorong Totot OST Part.3

孝琳 (Hyolyn) - Let It Go - from "Frozen"

孝琳 (Hyolyn) - 主君的太陽 電視原聲帶 (Master's Sun OST)

孝琳 (Hyolyn) - See the love2 OST