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...

North Star Union has released "Echoes of decay", a slice of melodic heavy metal that feels less like a standard studio tracking and more like something dug out of the permafrost. There is a curious quality to Icelandic composer Myrmann’s work here; because he handles all the instrumentation and composition himself at Midgard Studio, the track possesses a singular, frighteningly cohesive nervous system. It...