Bolidde's new album, Rainbow Galaxy, doesn't so much arrive as it does seep into the room, a ten-track document of flight powered by rock and roll muscle. Here is a veteran of the French scene who understands the architecture of a great pop hook, but who uses that knowledge not to build a summer villa, but a high-speed getaway vehicle. The album’s energy is...

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...