Hi guys, Welcome to the Advanced Video Search Engine, and you are watching エッジボイスで声帯閉鎖を鍛えるのと良い声になるのか？【ボイトレ 大阪 小谷ボイストレーニング教室】. That video is uploaded by 小谷ボイストレーニング【ボイトレ 大阪】 at 2021-04-28T02:30:03-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [jvH6jzWeHJM]