마음이 널 부르는 날이면, 그런 날이면, [그런 날] Composed by 박건후, 온성근 Lyrics by 박건후, 온성근 Arranged by 박건후 Guitar 강건후 Executive Producer 박건후, Space Fish Produced by 박건후 Co-Produced by 온성근 Recored by 이평욱 @Dreamfactory Studio, 정우성 @Mplus Studio Mixed by 고현정 @kokosound studio Mastered by 고현정 @kokosound studio Artwork @zun.photo Published by @The VAULT Instargram:@Gun00h