• The 1930 Revolution breaks out in Rio Grande do Sul, Minas Gerais, Pernambuco and Paraíba [1], defeats President Washington Luís and the Old Republic, famous for its fraude elections,  for the vote sales, always in the oligarchies’ political interests.


  • Radamés (at 24 years old), the brothers Luiz and Sotero Cosme, among other friends, enlisted themselves as volunteers with the revolutionary forces. His dad, Alexandre, escorts them into the boarding.  When they got to Florianópolis though, the revolution was already over.






  • In September 17th, Radamés presents hir  Premier as a composer with a piano recital at Teatro São Pedro, in Porto Alegre. The pieces presented were Prelúdio n.º 2 (Paisagem) (Landscape) and Prelúdio n.º 3 , Cigarra (Cicata), both composed in the same year.







  • The violinist Romeu Ghipsman records at Odeon the piece Canto de violino, for violin and piano. On the score sheet, in the author’s private collection, the title is Violino (1928). This piece is a transcription of Romance (sem palavras), for piano solo, from 1927. Probably the first Radamés’ composition ever professionally recorded.




Radamés composes: 

  • Alma Brasileira (choro) – para piano solo (for piano solo)
  • Prelúdio n.º 2 (Paisagem) – para piano solo (for piano solo)
  • Prelúdio n.º 3 (Cigarra) – para piano solo (for piano solo)
  • Rapsódia brasileira – para piano solo(for piano solo) dedicada a Ângelo Guido
  • Serestas nº 1 para quarteto de cordas (for string quartet)




  • Born in Rio de Janeiro (Capital of Rio de Janeiro State), the guitar player Manoel da Conceição Chantre (Mão de Vaca), for whom Radamés had great respect [2].




  • The first live radio broadcasts show up in Rio de Janeiro.


  • Adhemar Gonzaga creats the Cinédia, the first Brazilian cinematographic movie company.


  • [1] The New Provisory Government of President Getulio Vargas is established in Rio de Janeiro, Capital of the Republic. The President defeates all the State Governors and dissolves the National Congress, while he creates the Ministry of Work, Ministry of Industry and Commerce and Ministry of Education and Public Health.
  • [2] During an interview at Image and Sound Museum, in Rio de |Janeiro (Capital of Rio de Janeiro State, RJ), in 1985, Radamés has stated: “In the beginning of Bossa Nova, I would call him up and ask: Manoel, what is the harmony in that song? He would then briefly sing the notes of the chords, all the dissonances. It is amazing!” Manoel, present that day, would say: “I’ve studied, maestro, by my ear has always hindered me”.