2011 five CD anthology from the British rockers that collects all of the songs they recorded for Chrysalis Records from 1973 to 1979. This set chronologically charts UFO's career including 1979's hit single 'Doctor Doctor,' as well as the tracks that made them staples on FM radio during the '70s. This collection boasts a previously unreleased concert from UFO's debut U.S. tour, recorded in 1974 at Atlanta's Electric ballroom, as well as BBC radio sessions. 81 tracks total.