On September 2019, “Cô Thắm Không Về” song was massively welcomed by the audiences and made a great effect on the Vietnamese music market. “Thiệp Hồng Người Dưng”, a new song of X2X was unveiled on June 1st, is supposed to usurp the throne in a wink. “Thiệp Hồng Người Dưng” is a production of a fresh band named Underground X2X with the participation of JokeS Bii, Phát Hồ, and Sinike ft Ding Long. The...