With their single "Numbers Game," Grey Jacks has managed to build a deceptively inviting room inside a house that’s actively on fire. The foundation here is a slithering, almost hypnotic rock groove, driven by the lock-step pulse of Teddy Minton on drums and Howard Rabach on bass. It has that cool, coiled tension reminiscent of late-90s Radiohead, a sound that gets in your bones...

The first few notes of Megapenny Music’s single, "Across the Miles," feel less like an introduction and more like a resumption. There’s a quiet confidence here, a melody that seems to pick up a conversation left hanging four decades ago—a detail about the artist’s hiatus that you can’t help but feel in the song’s DNA. Delphine Savatte’s voice enters not with a bang, but...