“Ezra,” the second track on Oneohtrix Point Never’s 2016 album Gardens of Delete, is built around a series of seemingly disconnected movements. An ominous, echoing call for the eponymous figure precedes propulsive synths, which in turn precede the sounds of a swiftly plucked upright bass. Around a minute in, we reach a section of the song that Daniel Lopatin, the man behind the Oneohtrix mask, calls “Contra,” after the 1987 Konami arcade game. A pitch-shifted pseudo-Gregorian chant is blanke...