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...

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...