Livin blu - 흔적 하염없이 흘러만 갔던 내 젊음은 흔적이 되어 [credit] 1. 흔적 Lyrics by Livin blu Composed by Livin blu Arranged by Livin blu Vocal by Livin blu All instrumental by Livin blu Mixed by Livin blu @liveinblu Mastered by Livin blu @liveinblu Album Artwork by 남궁광욱