After only over a half month releasing “Ngày Chờ Tháng Nhớ Năm Thương” and five days after releasing “Em Muốn Ăn Gì?” with MIN, Osad continued the momentum with “Dấu Yêu Vô Hình” in collaboration with AMEE on September 12th, 2019. Osad might be the most hard-working singer-composer in Vpop until now with three new songs within a half month. This song was composed by Osad like his previous songs “Ngày Chờ Tháng Nhớ Năm...