Quando se canta o conflito: contribui？？es para a análise de desafios cantados

this text makes an analisis about the cururu, a kind of singing challenge typical from countryside of state of s？o paulo, brazil. making a transcription of these challenges, it tries to point for questions about cururu's structure and performance, seen like a struggle between two singers that fight using singing words. at the same time, it sees like the cururu is a local updating of a social fact: the exchange. for this, it is possible to think about its characteristics in relationship with other kinds of singing challenges and making points about these social facts.