“DJ Koze’s ideal dancefloor must be beneath the canopy of a giant circus tent. His colorful, manically expressive techno and house has always ignored the conventions of dance music—he’s an sonic illusionist, a showman morphing sounds at will. And “Illuminations,” the latest single from his upcoming album Knock Knock, is all the evidence you need to see that Koze is working on the astral plane, whil”