"Chaos A.D." is the fifth studio album by Brazilian heavy metal band Sepultura. Although the album is considered Thrash Metal, it saw a stylistic departure from the band's earlier style, by incorporating a new groove metal sound. In 2017, it was ranked 29th on Rolling Stone's "100 Greatest Metal Albums of All Time".

"Arise" is the fourth studio album by Brazilian heavy metal band Sepultura. Upon its release, the album received top reviews from heavy metal magazines such as Rock Hard, Kerrang! and Metal Forces, and had achieved platinum sales worldwide. "Arise" is considered Sepultura's finest hour among longtime fans. While the music on Arise was mostly in the same death/thrash style as their previous album, it was clear that the Sepultura sound was acquiring an experimental edge. The album presented their first incursions with industrial music, hardcore punk and Latin percussion.

"Machine Messiah" is the fourteenth studio album by the Brazilian metal band Sepultura. The band recorded "Machine Messiah" in Sweden with producer Jens Bogren. Machine Messiah is the band's first studio album in over three years, marking the longest gap between two studio albums in their career. The band stated the concept of the album, saying, "The main inspiration around "Machine Messiah" is the robotization of our society nowadays. The concept of a God Machine who created humanity and now it seems that this cycle is closing itself, returning to the starting point. We came from machines and we are going back to where we came from. The messiah, when he returns, will be a robot, or an humanoid, our biomechanical savior".

It goes without saying that the global metal scene would not be the same without Sepultura. For 35 years now, the Brazilian icons are not only a band revered worldwide; they have been, are and forever will be at the very forefront of thrash metal, trailblazing ever since they released their long-since legendary debut album Morbid Visions in 1986. While quickly establishing themselves as leaders of the second wave of thrash already in the late eighties, to this day they never came even close to stagnation. Quadra, their mighty new undertaking, is proof of a will unbroken, a thirst unquenched and a quality so staggeringly high it's a wonder this band doesn't implode.