A symphony of planetary sounds from the far reaches of space is making its way back to Arizona. Powered by the sun, PHXLIGHTS: Solar Sound System, the latest installment of the interstellar Relentless Beats festival, will land at Phoenix Raceway on April 4th and 5th. Leading the stellar lineup, the Space Mom herself, REZZ, will take center stage, alongside Louis The Child returning to Arizona, Gud Vibrations co-founder NGHTMRE, and producer and visual artist Of The Trees. Additional Interstellar Ambassadors of the Solar Sound System include Said The Sky, Netsky, It's Murph, Kaivon, Hybrid Minds, J. Worra, Zero, Jon Casey, Edward Joseph, and Dark Mark. Stay tuned for future transmissions with more artists, activations, experiences, and surprises in the coming weeks.