Desc: Sound System, the Voice of the Ghetto: Directed by Fernando Augusto. Since the early days of the very first sound teams in Brazil, in the late 70's, till the arrival of the sound systems, a lot has happened and there is a lot to be told. "Sound System - The Voice of the "Ghetto" takes a deep dive into this universe of vibrant bass, dub, ska and reggae music to reveal the local scene as experienced by thousands of young people from the suburbs, who indulge themselves in the Jamaican rhythms every weekend.