Nine Inch Nails’ keyboardist’s third solo work is a particularly deep work, and by deep we mean Cortini takes a single principle (from both a philosophical and a sonic persective) and spends the whole album exploring all its possible ins and outs. The concept in question, in this instance, is permanence — or the lack thereof. Most songs consist of a bare-bones melodic progression looped and repeated on and on. By means of both signal degradation and filtering, the ever-repeating signal gets organically degraded and filtered; every individual change is imperceivable, but the feel of what’s at the end of the song is drastically changed from what it started from. A journey in sound.