1. 드라마 Lyrics by 아이유 Composed by 아이유 Arranged by 아이유
Guitar 적재 Piano 홍소진 Percussion 조재범 Recorder 아이유 Chorus 아이유
Recorded by 손명갑 @Kakao Entertainment, Eastbeam @918 Studio Mixed by 손명갑 @Koi STUDIO Mastered by 권남우 @821 Sound Mastering
2. 정거장 Lyrics by 아이유 Composed by 아이유 Arranged by 아이유
Guitar 적재 Strings Arranged by 서동환 Strings Performed by 융스트링 Whistle 아이유 Chorus 아이유
Recorded by 손명갑 @Kakao Entertainment, Eastbeam @918 Studio, 정기홍 이찬미 @Seoul Studio Mixed by 손명갑 @Koi STUDIO Mastered by 권남우 @821 Sound Mastering
3. 겨울잠 Lyrics by 아이유 Composed by 아이유 Arranged by 서동환
Drum 김승호 Bass 최인성 Guitar 김지아 Piano 서동환 Strings Arranged by 서동환 Strings Performed by 융스트링
Recorded by 손명갑 @Kakao Entertainment, 이창선 @Prelude studio, 정기홍 이찬미 @Seoul Studio Mixed by 조준성 (Asst. 최자연) @W Sound Mastered by 권남우 @821 Sound Mastering
4. 너 Lyrics by 아이유 Composed by 아이유 Arranged by 아이유
Guitar 정석훈 Piano 홍소진 Chorus 아이유
Recorded by 손명갑 @Kakao Entertainment, 이창선 @Prelude studio Mixed by 손명갑 @Koi STUDIO Mastered by 권남우 @821 Sound Mastering
5. 러브레터 Lyrics by 아이유 Composed by 아이유 Arranged by 홍소진
Drum 김승호 Bass 최인성 Guitar 김동민 Piano 홍소진 Chorus 홍소진
Recorded by 손명갑 @Kakao Entertainment, 이창선 @Prelude studio Mixed by 박혁 @SoundPool Studio Mastered by 권남우 @821 Sound Mastering