"Kairos" is the twelfth studio album by Brazilian metal band Sepultura, released on June 24, 2011, under Nuclear Blast. This album marks a significant addition to the band's discography, showcasing their distinct blend of heavy metal and rock influences. "Kairos" features a total of 15 tracks, each reflecting the band's commitment to evolving their sound while remaining true to their roots in metal. The album's title, "Kairos," refers to the Greek concept of the right or opportune moment, which resonates throughout the lyrical themes and musical compositions. With its aggressive riffs, powerful drumming, and dynamic vocal styles, "Kairos" captures the essence of Sepultura's signature sound, characterized by intricate arrangements and thought-provoking lyrics. As a pivotal release in the band's career, "Kairos" is noted for its exploration of various musical textures and themes, contributing to the evolution of the metal genre. The album has been well-received within the metal community, further solidifying Sepultura's status as a leading force in rock and metal music.