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...

Matt McKnzi stands out as a star in coming up with new ideas and evaluating himself. This new song of his, "Atlas," is a great mix of soul, hip-hop, and some heavenly sounds. And it shows how well he can mix different styles and still make music that makes you feel things. His unique style, a mix of neo-soul and energy R&B, is making waves in the...