Listening to Shotgun Driver’s new EP, “Jester Privileges”, is like finding a glitter bomb in a padded cell. The four songs present a disorienting, strangely compelling contradiction. On the surface, the alt-pop framework pulses with an upbeat, almost defiant energy; this is the slick, rock-tinged anxiety of a Machine Gun Kelly track built for open-road brooding. But beneath it, the narrative, carried by those...

Helladdict’s new single, “Sudden Death,” doesn’t feel like a tribute; it feels like an exhumation. Here are six men from Santiago, all seasoned enough to know that pure fury is a young person’s game, offering instead the far more corrosive anger of experience. They resurrect the chassis of 80s thrash, all bone-raw intensity and punishing tempo, but the engine is modern, built with the...