Listening to Jean-Philippe Ruelle’s new single, “Switeesoul,” is a peculiar kind of eavesdropping. You’re not hearing a sunrise, exactly, but the slow, internal thought process of one coming into being. The track’s layered electronic pianos don't crash into your morning; they seep under the door, a cool wash of ambient sound that feels both deliberate and entirely accidental. It’s music that seems to have...

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...