The experimental-music festival Substrata 1.3 is scheduled to happen July 18-21 this year at Chapel Performance Space. Helmed by Rafael Anton Irisarri, the event hosts an international lineup of artists in the electronic/ambient/classical/minimalist/noise veins. The previous two fests have sold out, so to meet perceived increased demand, Irisarri is expanding it to three days. Irisarri says, "As our IndieGoGo campaign unfolds, I will be able to make some curatorial decisions and have a program ready to announce by April, so I urge your support." Substrata 1.3's Indiegogo page is here. The campaign ends April 3.

Check out a snippet of Tim Hecker's performance at last year's Substrata 1.2 after the jump.