Let’s be clear about Social Gravy’s re-released single, “Fools”: this is not a song that uses metaphor as a shield. From its first snarling chords, this track, a furious time capsule from 2016 unearthed by Brad Kohn and Vee Bordukov, feels less like a composition and more like a brick heaved through a stained-glass window. It’s a raw-throated accusation, a two-by-four of a protest...

Adriana Spuria’s new single, “Stone,” presents itself with the polished feel of a perfect skipping-stone, but listening closely reveals it has the curious weight of a fossil in your palm. Spuria sings of a very specific, modern affliction: the slow petrification of the heart. This is a loneliness born not from solitude, but from an inability to feel for anyone else, an insulation that...