After the calls stop, the hardest part of a breakup is rarely being alone. It is the administrative problem of feeling: how does someone proceed after an old future disappears? Astian’s new single “How” holds that question there. It does not rush to fill it with a lesson, confession, or the sort of gleaming finality pop often prefers. Astian approaches the aftermath through a playful, stripped-back...

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...