 In spite of the debates about possible attribution, he remains the most famous and discussed singer of his time.His popularization of flamenco through the "café cantante" was first objected by folklorist Demófilo, who wrote the first biography of Silverio in his book "Colección de cantes flamencos".According to Demófilo, the spreading of "cafés cantante" would sooner or later debase the nature of the genre in spite of Silverio's intention to keep it pure