Listening to John Keenan’s “Wreckage of the Past” feels like being handed the audio diary of a ghost who is not yet dead. This is an 18-song excavation of a psyche at war, made all the more intense by the knowledge that Keenan is the sole architect—producer, writer, mixer, and tormented protagonist. The whole project has the hermetically sealed, slightly feverish quality of a...

Take Jack Horton, a Portland-based singer-songwriter whose path to folk-Americana included stops at Japanese law school, Tokyo piano bars, corporate boardrooms, and government offices. His latest EP, "Imperfections," feels like finding someone's private journal set to music. And that someone happens to write really, really well. The five-song collection opens with "Set Me Free," a piano-driven confession that might surprise anyone expecting typical breakup bitterness. Horton...