01 장마 Composed by 하현상, 손우 Lyrics by 하현상 Arranged by 하현상, 신승익 Chorus by 하현상, 신승익 Bass by 신승익 Piano by 신승익 Guitar by 하현상, 신승익 Recorded by 하현상 Digital Editing by 박정호 @Bliss Music Mixed by 박정호 @Titan Recording Studio Mastered by 황병준, 장영재 @Soundmirror Korea