Formed by Argentinean musicians in São Paulo (São Paulo) in the mid-'60s as a vocal/instrumental rock group, the Beat Boys were an important reference in a moment when Tropicália was being geared, as they provided the rock spirit that Caetano Veloso was looking for at his iconoclastic appearance at the III Festival de Música Popular Brasileira/FMPB (Festival of Brazilian Popular Music Festival, Paramount Theater, TV Record, São Paulo, 1967), when their performance of "Alegria, Alegria" (Caetano Veloso) provoked virulent reactions by the audience that were amplified throughout ...