Kei以细腻的音色和独一无二的唱功完成的《九尾狐传1938》OST 《연가(戀歌)》是禹贤珍（张汝熙 饰）所唱的歌曲。音乐导演洪大成（音）亲自参与作曲、编曲而诞生的一首完成度极高的歌曲， 担任演唱的Kei以与众不同的唱功和细腻的表现力为《연가(戀歌)》注入了力量。 [Credits] Lyrics by 김민 Composed & Arranged by 홍대성 Piano 홍대성 MIDI Programing 홍대성 Guitar 고태영 Strings 융스트링 Drum 정동윤 Bass 백경진 Flute 이상은 Oboe 임수미 Clarinet 하지윤 Trombone 이한진 Recorded by 엄세현 @GCA Studio Digital Editing by 박승천 @Studio M Mixed by 박승천 @Studio M Mastered by 전훈 @Sonic Korea OST Producer 김정하 송예진 김민호