Effective period / Period of releases: 1971 - 2007

Members: Patrick Moraz, Jean Ristori, Bryson Graham, David Kubinec, Peter Lockett (2), Jean De Antoni

Swiss prog rock band from Geneva.
Formed in the late 60s by Jean Ristori and Patrick Moraz, who is known for having take the place of Rick Wakeman in the British group "Yes". The band started in 1968 under the name Mainhorse Airline. In 1969 they moved to London looking for musicians to complete the band. They shortened their name to Mainhorse, signed to Polydor and released their eponymous album in 1971. Disbanded in 1972.