There are several bands called Circus. 1. A UK psych group lead by Philip Goodhand-Tait. They released two singles and an album 1967-69. 2. A Swiss progressive rock band in the 1970's. The band is best known for the album "Movin' On" (1977). They recorded 3 albums: Circus (1976), Movin On (1977), Fearless Tearless And Even Less (1980) plus an "All star band" album called "Circus All Star Band" (1978) with members of many famous Swiss bands of the time.