[성국 BGM - 후회는 이별보다 느리다 (ft.이기환, 이태현)] 월간 SART MUSIC 18째 곡 [Credit] Executive Producer 박경서 Produced by 박경서, J-Lim Lyrics by 성국 BGM Composed by 성국 BGM Arranged by 성국 BGM Piano 강기쁨 Bass 정구영 Vocal 이기환, 이태현 Recorded by 박경서, J-Lim @ SART 501 Studio Mixed & Mastered by J-Lim @ Aliment Record