Mess was a pioneering prog rock group in Estonia, founded in 1974 by Sven Grünberg and Harmo Härma. They were known for their original stage design and elaborate light shows. The group disbanded in 1977 without releasing any official albums, but their music was rediscovered and released in 1995. The album features a variety of instruments and a choir, and was composed and produced by Sven Grünberg.