Ultan’s single, "The Tempest," erupts not so much into the room as it does through the floorboards, dragging with it the scent of wet wool and imminent confrontation. This Dublin solo musician, a cartographer of past agonies, presents an energetic rock piece that feels less like a song about history and more like a fragment of it, throbbing and urgent. The main riff careers...

Caitlin Mae's single "House Sitting" slid into earshot less like a shiny Nashville calling card and more like finding a faded letter tucked inside a secondhand book. It’s labelled country, and the soft rock structure gives it shape, but the atmosphere? That’s pure, unadulterated heartache, distilled. Mae possesses one of those voices – technically brilliant, sure, but more importantly, emotionally transparent. You hear the...