Hi guys, Welcome to the Advanced Video Search Engine, and you are watching [3분발성법] 발성연습을 발음으로 연결하는 가장 쉬운 연습! /ol/ buzz practice. That video is uploaded by 안대성의 Medical Vocal Training at 2024-03-12T05:00:56-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [vRm4lV4n5wo]