As the marquee festival for Relentless Beats, Phoenix Lights 2017 will host Above & Beyond, Alesso, Tiesto, STS9, Vince Staples, ZHU, Illenium and 25 live acts on April 8 & 9 in downtown Phoenix. Additional acts include: 21 Savage, GRiZ, ZEDS DEAD, Bro Safari, Cashmere Cat, Justin Martin, Keys N Krates, Oliver Heldens, Pete Tong, Thomas Jack, Coyu, Ekali, Ganja White Night, Grum, Hucci, Josh Wink, the Knocks, Lane 8, Tchami, Tiga, Asadi, Billy Kenny, Codeko, Crizzly, Dr Fresch b2b Bijou, Felix Da Housecat, Go Freek, Helena Legend, Jax Jones, K?D, Loudpvck, Low Steppa, Manilla Killa, Said the Sky, Viceroy, Vindata and Wingtip.