Big Ocean, the first K-pop group composed entirely of deaf or hard-of-hearing members , debuted on April 20, 2024. Members include PJ (a YouTuber who educated viewers about deaf culture), Jiseok (a professional ski racer) and Chanyeon (who worked as an audiologist and wears a hearing device with Bluetooth that streams music to him directly from mobile devices.). Big Ocean incorporates sign language into their performances, including Korean Sign Language, American Sign Langua