싱어송라이터 연주 1st 디지털싱글 ‘그랬나봐’ [Credits] Composed & Lyrics by 연주 Arranged by 박보민, 정국영 Performing by Piano 박보민 Bass 이명철 Vocal Recorded by 조정현 Mixed by 정국영, 박보민 Mastering by Gus Elg @Sky Onion Mastering Studio Management / 1Lo musics