The avant-house stylings of Ecstasy Records dip their toes into Crystal Waters territory next month with Window, the debut album of performance artist/singer Alexis Penney, who was last heard teaming up with Teengirl Fantasy’s Nick Weiss on the floor-filling single “Lonely Sea.” You can grab that 7” side down below, right alongside the lead track (“Praying For Rain”) from Penney’s upcoming LP, which drops on August 6th…