GISKE’s "The Sound of Birdsong" doesn’t so much begin as it seeps into the room, like the pale, perpetual twilight of a Norwegian summer night where sleep feels like a theoretical concept. This is a song for the space between the last page of a book and turning off the light; a four-minute float in that strange, conscious stillness when the world is quiet...

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...