'13월(13th Month)' - [고백해] 밤하늘이 예쁘다 바람도 선선하고 안 보이던 별도 많아 같이 걷자, 나와 오늘 꼭 봐야 돼 우리 [Credit] Produced by 13월(13th Month) Lyrics by 13월(13th Month) Composed by 13월(13th Month) Arranged by 13월(13th Month), 김영진 Guitar by 김영진 Album Designed by 유진아 Mixed by 김형진 Mastered by 권남우 @821 Sound Mastering