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...

With his new single, “I Can Tell,” Brendan Pegg documents not the loud crash of a relationship’s end, but the awful, held-breath silence just before. This is a song that understands the atmospheric pressure drop that precedes a storm, the chilling moment you realize an unspoken truth has settled in the space between two bodies on a couch. Pegg’s voice isn’t performing for an...