Unchained—a name which at the project’s inception or on earlier recordings spoke perhaps to the ecstatic saturation of high gain guitar—has over the past three albums (N.D. Visitor, Pic, and Gabbeh) come to represent more and more an acknowledgement of and sensitive remove from a crashing world. An excuse of oneself from trend towards a siloed artistic development. On Frontalier, Nate Davis crosses further into this patient personal lexicon of guitar composition, presenting a new set of richly …