Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Buồn - Vũ Duy Khánh [MV Official HD]. That video is uploaded by Vũ Duy Khánh Official at 2015-06-19T21:09:20-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [-I9kHA0W5dk]