송웨이고야 '100년 뒤에' Double Single Album OUT!! [Credits] 01.100년 뒤에 Produced by Songwaygoya Composed by Songwaygoya Lyrics by Songwaygoya Arranged by Songwaygoya 02.어느 한 청년 Produced by Songwaygoya Composed by Songwaygoya Lyrics by Songwaygoya Arranged by Songwaygoya - All Produced by. Songwaygoya mix&master Songwaygoya,Ourealgoat