The Pious Bird Of Good Omen (LP)Fleetwood Mac is a band with many faces. In contrast to their poppy sound of the 70s, Fleetwood Mac actually started out in the sixties as a psychedelic blues band under guitarist Peter Green's lead. Pious Bird of Good Omen was originally released in 1969 as a compilation of the band's bluesy roots: their first four UK singles and their B sides and two tracks by bluesman Eddie Boyd with Fleetwood Mac backing. The album's sound is laidback, down & VERY