Samba
Although samba exists throughout Brazil – especially in the states of Bahia, Maranhão, Minas Gerais, and São Paulo – in the form of various popular rhythms and dances that originated from the regional batuque of the eastern Brazilian state of Bahia, a music form from Cape Verde, samba is frequently identified as a musical expression of urban Rio de Janeiro, where it developed during the first years of the 20th century. Early styles of samba - and specifically samba de roda - are traced back to the Recôncavo region of Bahia during the 17th century, and the informal dancing following a candomblé ceremony. It was in Rio de Janeiro that the dance practiced by former slaves who migrated from Bahia came into contact with and incorporated other genres played in the city (such as the polka, the maxixe, the lundu, and the xote), acquiring a completely unique character and creating the "samba carioca urbana" (samba school) and "carnavalesco" (Carnaval school director). Samba schools are large organizations of up to 5,000 people which compete annually in the Carnival with thematic floats, elaborate costumes, and original music.
Samba school
The winning school was Mangueira, while the second group had the "Conjunto Osvaldo Cruz", or Portela. The officials assured the success of the contest remained up in Praca XI Square in 1941. Over time, the samba schools took many elements brought by ranches, such as the plot, the pair of mestre-sala cortsy and flag holder and the opening committee, elements with which Ismael Silva disagreed.
With the rise of populist dictator Getúlio Vargas and the foundation of the General Union of Samba Schools in 1934, the marginalization of samba persisted for some time. Then, it regained power and began to expand and gain importance in the Rio carnival, supplanting the ranches carnival. It did not take long for the samba schools to expand to other states, with the foundation in 1935 of the "Primeira São Paulo" (First of São Paulo), the first school of samba de São Paulo. The official competitions of the samba schools in São Paulo only started in 1950 with the victory of Lavapés, but before that there were other minor tournaments at the municipal and state levels. In the early 1960s some organized soccer support fan groups, like the Vai-Vai (Go-Go) and the Camisa Verde e Branco (Green and White Jersey) became samba schools.