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...

I spent a solid hour this morning watching dust motes suspended in a single shaft of sunlight, my entire nervous system held absolutely captive by Magdi Aboul-Kheir and his devastatingly immersive new album, "Slow Heat". The Germany-based journalist and classically trained pianist usually writes across a massive spectrum of genres, pivoting wildly from trance to late romanticism. Today, he has dropped an ambient, contemporary...