Justin Blau (born January 9, 1991), better known by his stage name 3LAU, is an American progressive house and electro house producer and Ableton performer. Based in Las Vegas, he has released three mixtapes since 2011 and several singles, and has performed at festivals such as Electric Zoo in New York. In 2014 he released the track "Vikings" with Botnek on Dim Mak Records.

Justin David Blau was born in Syosset, New York, United States on January 9, 1991 (age 23). Blau grew up around an artistic family, and was soon playing piano, guitar and singing. At thirteen he moved with his family to Las Vegas, Nevada, where he spent the rest of his youth. He attended The Meadows School.

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