넌 알고 있을까CreditsComposed by Taewon(최태원)Lyrics by Taewon(최태원)Arranged by Taewon(최태원)Song by BRWN(김진후), 배혜지Guitar by 이은규Bass by 채재현Artwork by 박서경Mixing & Mastering Engineer by j-sus(김주찬)