Univers Zero is a Belgian band founded in 1973, known for its pioneering work in the genre of avant-garde rock and chamber rock. The band's music is characterized by a dark, atmospheric sound that blends elements of progressive rock, classical music, and jazz. They often incorporate unusual time signatures and intricate arrangements, creating a complex and immersive listening experience. Univers Zero's early work was heavily influenced by the European progressive rock scene, and they are associated with the Rock in Opposition movement, which emphasized artistic expression and independence from mainstream music trends. Over the years, they have released several critically acclaimed albums, maintaining a loyal fanbase and influencing many contemporary artists within the avant-garde and progressive genres.