이승현 [그럴 수 있잖아요] 그럴 수 없다는 걸 알았어야 해요 [Credit] Lyrics, Composed, Arranged by 이승현 @bluesuixide Vocal, Guitar by 이승현 @bluesuixide Recorded, Mixed, Mastered by 곽동준 @dongjun_kwak Album cover by 김예지 @byemymoments