Cirrosis is a Mexican metal band known for their powerful blend of heavy metal and progressive elements. Formed in the early 1990s by Sir Oz (previously Oscar Clorio), the band's music is characterized by its aggressive rhythms, intricate guitar work, and social commentary. Over the years, Cirrosis has undergone several lineup changes, but has remained consistent in delivering hard-hitting music.

Their catalog, while not extensive, has been impactful within the metal community. With recent releases such as "Insoportable" and "Hace Tiempo," the band continues to showcase their skill in crafting songs that are musically complex and lyrically profound. Themes such as personal struggle, societal issues, and philosophical reflections frequent their work, as evidenced in tracks like "Ningún Consuelo" and "Cáncer Social." The title of their release "Lo Nuevo, Lo Viejo y Lo Feo" encapsulates the band's journey, reflecting on their evolution as well as the gritty realities they transpose into their music. Songs like "Alcohol" reveal Cirrosis's penchant for raw, authentic expressions of human vice and struggle. Although not a mainstream act, Cirrosis has carved out a niche for themselves, continuing to resonate with fans of the genre who crave depth both in lyricism and instrumental complexity.