Quadra is the fifteenth and final studio album by Brazilian heavy metal band Sepultura, released on February 7, 2020. It is a concept album based on numerology, the number four and its significance as depicted on Quadrivium. The band went to Sweden to work with producer Jens Bogren for the recording of Quadra. It is the band's final release with drummer Eloy Casagrande before his departure from the band to join Slipknot in 2024. Quadra was the band's most successful record since 1998's Against, charting in 17 countries and entering the top 20 in seven countries. It was also their most successful album in Germany and Switzerland to date, exceeding the chart positions of Roots, with positions number five and number 13, respectively. From Wikipedia (https://en.wikipedia.org/wiki/Quadra_...) under Creative Commons Attribution CC-BY-SA 3.0 (https://creativecommons.org/licenses/...)