“Don't Say Goodbye不要离开，Don't Say Goodbye不要忘记” 美丽的抒情主唱拥有者Suh Young Eun带着秋季抒情歌回来了。 这是一首关于对过去思念的回忆，无法将他留下的心情，徐英恩用属于自己的感性淡淡地表现来出来。 作词、作曲是由曾为Red Velvet、请夏等国内外最顶级歌手作曲的Jay Lee和刘Yoo Songyeon参与。 [Credit] Composed by Jay Lee, 유송연 Lyrics by 서영은, 유송연, Jay Lee Arranged by Jay Lee, 유송연 Piano by 유송연 Recorded by Jay Lee @미스터리프랜즈스튜디오 Mixed by Bros No.1 Mastered by 전훈 at SONICKOREA (Assist. 신수민) Executive Producer Bros No.1 Project manager 구파발 A&R 원다솜 Video 신권수 Art work 이우근