《잘 가, 여름》这张专辑由IU作词，Seo Dong Hwan和IU共同作曲，Seo Dong Hwan负责编曲。专辑中的音乐风格温馨而深情，通过鼓手김승호、贝斯手최인성、钢琴手Seo Dong Hwan、吉他手송현종以及合成器演奏者Seo Dong Hwan的精湛演绎，展现了丰富的音乐层次。和声部分由강버터、김희원和전소현共同完成，为歌曲增添了更多情感色彩。录音在多个专业录音室完成，包括Studio M-Lab、Jim’s Music和CHOI’S MUSIC LAB等，确保了音质的高品质。混音由经验丰富的工程师구종필在KLANG STUDIO完成，母带处理则由권남우在821 Sound Mastering进行，为专辑带来了完美的听觉体验。잘 가, 여름[CREDIT]Lyrics by 아이유Composed by 서동환, 아이유Arranged by 서동환Drums 김승호Bass 최인성Piano 서동환Guitar 송현종Synthesizer 서동환MIDI Programming 서동환Chorus 강버터, 김희원, 전소현Recorded by 손명갑 @Studio M-Lab, 박재범 @Jim’s Music, 최인성 @CHOI’S MUSIC LAB, 서동환 @Smile Dong StudioMixed by 구종필 (Asst. 홍장미) @KLANG STUDIOMastered by 권남우 @821 Sound Mastering