‘이별길’의 작사는 아이콘의 리더 비아이와 바비가 맡았고 작곡은 비아이와 YG 프로듀싱팀 FUTURE BOUNCE, Bekuh BOOM이 의기투합했다.
The songwriting of "Goodbye Path" was done by Icon's leader, B-I, and Bobby, while the composition was composed by B-I and YG production team FUTURE BOUNCE and Bekuh BOOM.