RSAI’s new single, “Let The Good Times Roll,” has waltzed into my listening rotation, and honestly, it feels a bit like finding an unexpected party already in full swing in your own living room. This Moscow-based musician seems intent on manufacturing pure, unadulterated joy, the kind that fizzes up from your toes and demands a bit of a shimmy, whether you’re ready for it...

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...