DAY 2 🥵 The weather might not be a heatwave, but we still got plenty of ways to heat things up! We're back at it today with the epic return of tiesto as well as fire sets from slanderofficial, gryffin, & more! Last chance for online passes 👉 heatwavemusicfestival.com . 📸: blazejzalewski . . . #tiesto #gryffin #malaa #slander #heatwave #heatwavechicago #heatwavemusicfestival #chicago #festivalmode #festivalseason