sentences:  It is considered by many one of Veloso's best, and one that represents Tropicália.The album vocals and acoustic guitars were recorded in a small recording studio in Salvador, where Veloso was confined for defying the authoritarian Brazilian government of the time.He recorded the vocals, and Gilberto Gil the acoustic guitar, which were sent to arranger and producer Rogério Duprat, who added layers of electric guitars, horns, bass, drums and other instruments in a more professional studio in São Paulo.