1.행복이 행복인 줄 모르고 Producer 쿤요 Lyrics by 쿤요 Composed by 쿤요 Arranged by NORU (노루), 노경환, 강혜령 String arrangement NORU (노루) Piano NORU (노루) Guitar 노경환 Drum programming 쿤요 Bass 강혜령 Violin 오여민 Viola 김하늘 Cello 이성현 Vocal directed by 유난이 Mixed by 쿤요 Mastered by 최효영 (SUONO Mastering) Album art by 이지예
2.쉽게 이별을 말하지 마요 Producer 쿤요 Lyrics by 쿤요, 이성현 Composed by 쿤요 Arranged by NORU (노루), 김택균, 강혜령 Piano NORU (노루) Guitar 김택균 Vocal directed by 유난이 Mixed by 쿤요 Mastered by 최효영 (SUONO Mastering) Album art by 이지예
3.행복이 행복인 줄 모르고 (Inst.) Producer 쿤요 Composed by 쿤요 Arranged by NORU (노루), 노경환, 강혜령 String arrangement NORU (노루) Piano NORU (노루) Guitar 노경환 Drum programming 쿤요 Bass 강혜령 Violin 오여민 Viola 김하늘 Cello 이성현 Mixed by 쿤요 Mastered by 쿤요 Album art by 이지예
