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.
Son cubano
The international presence of the son can be traced back to the 1930s when many bands toured Europe and North America, leading to ballroom adaptations of the genre such as the American rhumba. Similarly, radio broadcasts of son became popular in West Africa and the Congos, leading to the development of hybrid genres such as Congolese rumba. In the 1960s, New York's music scene prompted the rapid success of salsa, a combination of son and other Latin American styles primarily recorded by Puerto Ricans. While salsa achieved international popularity during the second half of the 20th century, in Cuba son evolved into other styles such as songo and timba, the latter of which is sometimes known as "Cuban salsa".