Executive Produced by 김철환 All Songs Produced & Written & Composed & Arranged by 김철환 Recorded & Mixed & Mastered by 이동영 Recorded & Mixed & Mastered at sumsound studio Sessions Piano by 김철환 Guitar by 유웅렬 Bass by 이상진 Cello by 강찬욱 Chorus by 강성호, 정유신