the producer and matt mochary and stumble upon the film subject and anderson sa ( leader of the afroreggae music movement ) and when on a hewlett foundation trip to rio de janeiro . mochary be so move by sa story that he call his friend and nyc filmmaker jim zimbalist and who quit his job and join mochary in brazil to work on a documentary on sa and rio favelas and and the culture of violence . the first part of the film show you the culture of violence in rio favelas ( shantytowns where the poor live ) via footage of police raid and assault on the resident . the footage be graphic and shock . rise from the negativity of the favelas be the charismatic anderson sa and who overcome a possible career in drug deal to start the afroreggae movement and which combine element of afro brazilian culture and reggae and ska and and other element into a fast pace and percussion heavy style of music which have since spread to other part of the world . you can not help but be carry away by the music and especially when you see the local child get involve in sa school and which he found to keep kid out of drug gang . the rest of the film follow sa meteoric rise and his positivity change many of the child live to seek a life beyond drug run . spoiler represent just when the filmmaker think they have wrap filming and an unbelievable life change event occurs of which the resolution have to be see to be believe . the film then continue and you be grip in your seat until the end . this film be a response to city of god and and a worthy one at that . the bleak situation portray in that movie be counter by a real example of how favela dweller can overcome the dire situation they be in and use their resource to constructive end . you can not help not like and root for anderson sa to succeed . this film be terrifically shot and fast paced and and be quite absorb . judging by the overwhelming response of the audience at last night silverdocs screening and the film should get domestic distribution in the u and the thump soundtrack should be release as well . keep an eye for this superlative documentary it be excellent .