Though rarely heard outside their Brazilian homeland (especially during the first phase of their career), Os Mutantes were one of the most dynamic, talented, radical bands of the psychedelic era -- quite an accomplishment during a period in which most rock bands spent quality time exploring the outer limits of pop music. A trio of brash musical experimentalists, the group fiddled with distortion, feedback, musique concrète, and studio tricks of all kinds to create a lighthearted, playful version of extreme Brazilian pop.
The band was formed by the two Baptista brothers, Arnal...