"Quadra" is the fifteenth studio album by the Brazilian heavy metal band Sepultura, released on February 7, 2020, through Nuclear Blast. This album marks a significant addition to the band's discography, featuring a total of 12 tracks that showcase their distinctive fusion of rock and metal elements. The album, produced by the renowned Jens Bogren, incorporates a variety of musical influences while maintaining Sepultura's signature sound. Notably, "Quadra" features guest vocals from Emmily Barreto, who adds a unique dimension to the album's sonic landscape. The title "Quadra" refers to the concept of the number four, which is reflected in the album's thematic exploration of the four elements of life: Earth, Fire, Water, and Air. "Quadra" has received positive reviews for its complex arrangements and lyrical depth, solidifying Sepultura's status as a pioneering force in the metal genre. The album's tracks delve into personal and social themes, demonstrating the band's evolution while staying true to their roots. With its blend of aggressive riffs and melodic passages, "Quadra" stands as a testament to Sepultura's enduring legacy in the world of metal music.