Hit play on "Bon Voyage" and you are instantly transported to a place where the sun never sets and the vibes are perpetually immaculate. The latest single from Malaga-based duo Kaleidoscope Collision is a shot of pure, unadulterated serotonin. Heather and Jovani have managed to bottle the feeling of a perfect summer day, shaking it up with a healthy dose of psychedelic energy that makes...

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...