Bolidde's new album, Rainbow Galaxy, doesn't so much arrive as it does seep into the room, a ten-track document of flight powered by rock and roll muscle. Here is a veteran of the French scene who understands the architecture of a great pop hook, but who uses that knowledge not to build a summer villa, but a high-speed getaway vehicle. The album’s energy is...

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...