Metallica (often called The Black Album) marks a turning point for the band, embracing a more polished and accessible sound without sacrificing their heavy roots. With tracks like “Enter Sandman,” “The Unforgiven,” and “Sad But True,” the album blends hard rock and thrash metal with powerful songwriting and intricate arrangements. It’s a definitive work that catapulted Metallica into mainstream success while maintaining their legacy as metal legends.