Le Ngoc Ai alias DJ Ruby - a Club DJ in Vietnam . She was born in HCM city in 1988 . Started playing records when she was 19 years old . Spinning different styles of music , like House , Trance , Electro , Tech , Progressive , Commercial ... a truly Club DJ . She is one of Vietnam's female DJ who have great skill and experience , about 8 years active in almost hottest clubs in Hanoi and Saigon . Smooth and noiseless mixing style like as her cold , gentle character .