Ông Cao Đại (born on January 13, 1996 in Buon Ma Thuot, Vietnam) is also known by the stage name Youbee is a rapper, singer, record producer, Dj, composed musicians Vietnamese – English, he is also the leader of “Y&M sad boy” band. He is well known for collaborating with itachi chill “Chi Chill”, Pacman “The Care” and Yun Luu operating in the electronic music group “Y&M sad boy” with stage name Killer Bee.