jingles were created, which revolutionized the radio propaganda. in 1936, the national radio of rio de janeiro, the first major broadcaster of the country was created.

in 1934, former president getúlio dornelles vargas, created 'voz do brasil'. it is a public news program that goes on the air every day in virtually all radio stations open in brazil at 7pm.

the program is mandatory on all radios of the country by determination of the brazilian code of telecommunications - it is a way the country found to communicate with their citizens and keep them update with the latest news in politics - in 1935, 'rádio jornal do brasil,' which focused on the country's news was created.