Download MP3 [MV] DINDIN(딘딘) _ Insomnia(불면증) (Feat. Lee Hong Gi(이홍기) of FTISLAND(FT아일랜드)) Download MP4 [MV] DINDIN(딘딘) _ Insomnia(불면증) (Feat. Lee Hong Gi(이홍기) of FTISLAND(FT아일랜드))