Vancouver’s 20-year-old mood-architect 13illy just dropped a new single, "NOTHING W/O YOU," that captures the exact shade of blue your bedroom ceiling takes on at 3 AM. It operates on a compelling sonic paradox. He lays down a dreamy, melancholic loop that continuously circles your head, eventually anchoring it to a cavernous low-end pulse and sharp, fast-paced trap snaps. It is an infectious, bouncy...

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...