hartts® babyblue Credits 01. 작별 (Prod. OBSN) Composed by hartts, OBSN Arranged by OBSN Written by hartts Guitar OBSN Bass OBSN Drums OBSN Brass OBSN 02. sunflower (Prod. OBSN) Composed by hartts, OBSN Arranged by OBSN Written by hartts Guitar OBSN Bass OBSN Drum OBSN 03. starfall (Prod. OBSN) Composed by hartts, OBSN Arranged by OBSN Written by hartts Guitar OBSN Bass OBSN Drum OBSN 04. 유랑 (Prod. OBSN) Composed by hartts, OBSN Arranged by OBSN Written by hartts Guitar OBSN Bass OBSN Drum OBSN Synthesizer OBSN 05. 일랑일랑 (Prod. OBSN) Composed by hartts, OBSN Arranged by OBSN Written by hartts Drum OBSN Bass OBSN Guitar OBSN Executive Produced by 이준호 @oddinaryrecords Artwork & Photo by 포레스트검프 @ffforrestgumpppp Mixed & Mastered by 유재민 @jjammni__