Letra da Música I Don't Know de M Signal

Geudael mannago sarangeul hago
Geureon sarange apaman hago
Dagaseojido mothan chae
Barabogiman haneun nan baboinga bwayo

Geudaega ulmyeon nado ureotgo
Geudae useumyeon nado useoyo
Eorinai cheoreom manyang
Geudaeman ttara haneun nan baboinga bwa

Saranghandago malhaedo mot deunna bwa
Sarangirago malhaedo moreuna bwa
Gaseume heureuneun nae nunmureul geudaen
Bol su eopna bwa
Geudae ireum bulleobwado mot deunna bwa
Geudae ppunirago haedo moreuna bwa
Nae nunmeon sarangeun hanshimhan sarangeun
Hal su eopna bwa

Hanbeon irado dorabwa jweoyo
Geudae dwieseo naega isseoyo
Dareun sarange jichil ttae
Dareun sarange apeul ttae hanbeon irado

Saranghandago malhaedo mot deunna bwa
Sarangirago malhaedo moreuna bwa
Gaseume heureuneun nae nunmureul geudaen
Bol su eopna bwa
Geudae ireum bulleobwado mot deunna bwa
Geudae ppunirago haedo moreuna bwa
Nae nunmeon sarangeun hanshimhan sarangeun~

Oneuldo sucheon beon geudael bulleobwayo
Mot deudneun geotdo almyeonseo bulleobwayo

Geudaereul saranghanikka nareul bwayo
Geudaeman saranghanikka naege wayo
Hangeoreumman omyeon
Geu jarieseo na kidarilkeyo

Geudae bakkeneun mollaseo mianhaeyo
Geudaega animyeon naneun andwenikka
Jidokhan sarangi
Geudaeman bulleoyo geudaen moreujyo