Among the mountains and palms of Indio Valley, an Australian producer standing beside Chris Lake slipped two IDs into their Coachella set. The first, “Take It Off” with Aatig, summited the Beatport chart immediately following its release, claiming the coveted No. 1 position while listeners, who’d already learned its jaunty hook well before “Take It Off” was available on streaming platforms, celebrated the actualization of one of the year’s most in-demand IDs as it concurrently began to course through the summer festival circuit. The second, a…