Circle is a name that has been used more than once. (1) A long-lasting avant rock band from Finland, (2) a free jazz group of the 1970s, (3) a Sydney band in the 1990s, (4) by the Sydney indie electro wonderkinds who were formerly known as Opanoni and The Raindrops. Circle (1): Formed in 1991, Circle is the most visible and prolific name in the Finnish avant-rock underground. Having survived innumerable lineup changes, the band and its founder, bassist/vocalist/guitarist Jussi Lehtisalo (Pharaoh Overlord)