스디 (sdy) ‘서운해’ 서운해 서운하게 만드는 게 ㅠ.ㅡ [CREDITS] Artist | sdy Produced by sdy & Gyerin Lyrics by sdy Composed by sdy & Gyerin Arranged by sdy & Gyerin Vocal by sdy BGVs by sdy Drums by Gyerin Bass by Gyerin Keys by Gyerin Guitars by Gyerin Recorded sdy at Studio B1 Tiny Room Mixed by Taewoong Kim at C&C Music Studio Mastered by IFI at OCCUR Sound Artwork by Steam hyun Special Thanks To : Choi