Singer Ock Joo Hyun's video of her unbelievable singing skills was revealed.

Songwriter KZ posted on his Twitter yesterday a video of Ok Joo Hyun recording for her new song.

In the video, Ok Joo Hyun is recording the highlight part of her new song. She sustained her long breath to sing a high note.

Internet users who saw this commented, "Ok Joo Hyun is the best" and "I'm so excited for her new song."

Ok Joo Hyun will be releasing her new album Remind on the 17th.

Photo Credit: LOEN Entertainment