Everyone has a historical justification for the songs created, from funk to rock, there is always a reason. But one thing no one talks about: there is a spirit that comes out of every song, good or bad. Do you know what has been coming out of your headphones and entering you? Por Trás do Ritmo is the exclusive documentary, which has just arrived on Univer Vídeo, to open your vision on the invisible spiritual actions of evil.