의 목소리가

…’s voice

→ 의

phrase Rare #31,914

…’s voice 의 marks possession, and 가 marks the voice as the subject of the sentence.

KO: 아이의 목소리가 들려요.

EN: I can hear the child’s voice.

Of all the people there, the chief warrant officer had the loudest voice.

— 해피 투게더 (1997)

I don't like women's voices.

— 해피 투게더 (1997)