- Born in Jardim (Ceará State, CE), the multi-instrumentist of plucked strings, composer and arranger José Menezes (José Menezes França), to whom Radamés dedicates, in 1957, his Concertino nº 3 para violão e orquestra, com flauta, bateria, bells e orquestra de cordas (for guitar and orchestra, with flute, drums, bells and string orchestra).
-  Prodigious young man, José Menezes (1921-2014), born in Ceará State, dominated all the finger string instruments: guitar, tenor-guitar, cavaquinho, mandolim, banjo, viola, electric guitar. He came to Rio de Janeiro in 1943, joining the Mayrink Veiga Radio at first but soon he moved to National Radio Orchestra as violin player. He has integrated the in Continental Quartet and the Radamés Gnattali Sextet (Quintet), since the very beginning in the fifties, until their last decade, around 1985.
-  This piece has been known by the subtitle “Concerto de Copacabana” although Radamés had no simpathy nor had given his approval.
- Making 10 thousand réis , Radamés, at 16 years old, plays in a band at Cinema Colombo with his friends Luís Cosme and Sotero Cosme (violins), Júlio Grau (flute); with two more musicians they formed a small orchestra with two violins, flute, cello, contrabass and piano, playing pot-pourris of French and Italian songs, operetas, waltzes and polkas during silent movie- sessions. By this time, Radamés also performs as a pianist (and possibly as the arranger), with the Ideal Jazz Band, from Confeitaria Colombo (not to be confused with the Colombo Cine mentioned above). The band was composed by flute, violin, cello, trumpet, trombone, piano and contrabass.
- Malandro (samba), for piano .
- Defeated, on July 6th, in Rio de Janeiro (Capital of Rio de Janeiro State) and capital of Brazil at the time, the lieutenant rebellion, known as Os 18 do Forte (the 18th brave soldiers from the military fort) – a democratic protest started in Copacabana Fort featuring the overthrown of the Old Republic.
-  Brazilian currency at the time.
-  Althoug dates are not precise, Malandro seems to be the most popular song composed and edited by Radamés, found in hid private collection. On the score cover, photos and signatures of the band.
- In July, Radamés performed at the Conservatório Musical de Porto Alegre, as part of a student recital at that institute, playing H. Oswald’s “Polonaise” opus 34. In this same recital, the young pianist Aída Gnattali, a student of professor Julieta Leão, performs Giga, by Araujo Vianna .
- Radamés graduates at his piano studies after 8 years at the Conservatory of Porto Alegre with maximum grade and honorable mention.
- Born in Recife (Capital of Pernambuco State, PE) the composer and singer Luiz Bandeira that, in 1959, records at Continental Records, a rare LP Festa de Ritmos – Luiz Bandeira e suas músicas (Rythm Party – Luiz Bandeira and his songs), with masterful orchestral arrangements by Radamés.
 Source: O Jornal (RJ) of 08/02/1923.
 Luiz Bandeira (1923-1998), was one of the most important composers from Pernambuco State, in the northeast region. He composed the famous song Na cadência do Samba (Que bonito é…) (Following the samba rythm), that has been largely celebrated in the movies, from 1959 to 1986, as the music background of the soccer supplement Canal 100, by Carlos Niemeyer. Bandeira has also participated as a special guest singer joining Radamés Gnattali Sextet touring in Europe, in 1960.
- Enthusiastic about his bright talent, professor Guilherme Fontainha has indicated his student Radamés for a concert at the National Music Institute, in Rio de Janeiro, on July 31st . The concert is a great success and the critics were full of compliments. Radamés is considered the great promise of Brazilian piano . Fontainha, in a telegram to distant Porto Alegre, sums up, in just two words, the overwhelming success of Radamés in Rio de Janeiro: “Radamés Trimphant”.
Jornal do Commercio (RJ)
- After the great success in Rio de Janeiro, Radamés concludes the piano course at the Porto Alegre Music Conservatory, graduated in December 19th. The same year, Radamés competes and achieves the Araújo Vianna Award, receiving the top evaluation and a Golden Medal.
- Born in Rio de Janeiro (Capital of Rio de Janeiro State, RJ), the composer and flute player Altamiro Carrilho (Altamiro de Aquino Carrilho), to whom Radamés dedicates, in 1966, his Serestas nº 2 para flauta e orquestra de cordas (for flute and string orchestra), and in 1972, his Divertimento para flauta em Sol e orquestra de cordas (for G flute and string orchestra).
- Breaks out in São Paulo (Capital of São Paulo State, SP), another military against the Federal Government. The Prestes Column , leaded by Captain Luís Carlos Prestes marches throughout the country during three years, walking over 30 thousand km.
-  On the program, the piano transcript of the Concerto for Organ, by Wilhelm Friedemann Bach / Stradal; Sonata in B minor and Rhapsody no. 9 (Carnival in Pest), both by Franz Liszt.
-  Read review of Arthur Imbassahy in the Jornal do Brazil (RJ), of 08.02.1924. (Source: Hemeroteca da Biblioteca Nacional)
-  For further information please consult the CPDOC from Getúlio Vargas Foundation: CPDOC da Fundação Getúlio Vargas
- On October 3, Radamés participates in the 20th Sarau da Sociedade Quartetto Paulista, at the Conservatório Dramático e Musical de São Paulo. The repertoire featuring the same program he had presented at the Instituto Nacional de Música in Rio de Janeiro, a year before. Professor Fontainha, who accompanies Radamés, sends an effusive telegram to Porto Alegre.
“Great triumph concert yesterday”
- Jornal do Commercio (SP) – Critic for the concert performed at the Sociedade Quartetto Paulista, by Ernani Braga and Antônio de Sá Pereira.
“Radamés is not only a brilliant promise, but an astonishing reality” (E.B.).
- Recently founded in July 25th, the newspaper O Globo presents his second edition on October 29th the following note:
“Because of disease, the pianist from Rio Grande do Sul, Radamés Gnattali, cancels his recital announced for the 31st of this current month, at the National Music Institute”.
- RCA Victor comes out with the first commercial records in the United States registered by electrical system and electrical microphone.
- Radamés is 20 years old.
- Born in April 10th, in Porto Alegre (Capital of Rio Grande do Sul State, RS) Maria Terezinha, the youngest sister of five Gnattali brothers, to whom Radamés dedicates his Tocata for piano solo in 1944.
Maria Teresinha Gnattali
- Back to Porto Alegre, after the great success of his recitals in São Paulo and in Rio de Janeiro, Radamés integrates the Henrique Oswald Quartet, as a viola player, with the Brothers Sotero e Luiz Cosme (violins) and Carlos Kromer (cello).
Quarteto Henrique Oswald
Theatro São Pedro (Porto Alegre, RS)
- Radamés composes:
- Batuque, para piano  – dedicated to his friend Omar Fonseca.
Olinda Alessandrini, piano
FUNPROARTE – s/nº (POA, s/d)
- Mayrink Veiga Radio is founded in Rio de Janeiro (Capital of Rio de Janeiro State, RJ) where Radamés intensely works both as a pianist of concert and popular music.
- Born in Manhaçu (Minas Gerais State, MG), the singer Zezé Gonzaga (Maria José Gonzaga, 1926-2008). Radamés referred to her as the best tuned voice in Brazil.
- Washington Luís becomes the President of Brazil up to October 24th, 1930. He was the last president of the so called the Old Republic.
-  Dated May 4th, 1926, Batuque is Radamés’ oldest concert piece in his private collection.
- Radamés identity sheet, enlisted at the War Shot in Porto Alegre (RS), on January 6th.
Radamés finally receives his Golden Medal (Araújo Vianna Award), rewarded three years before at the final exam at the Conservatory. Aída Gnattali states: “Radamés was the only student that had obtained the maximum grade: 60 points. So far and after his prize, Nise Obino was the only one to make it so brilliantly”.
- Odeon Records comes out with the first supplement of Brazilian Records electrically registered. At 21 years old, Radamés participates as an accompanist pianist for Anselmo Slatopolsky (violin) in many recordings.
SUVENIER – Franz Drdla
Violin solo – Anselmo Zlatopolsky
Piano: Radamés Gnattali
Odeon, 10041-b (1927)
- Born in January 25th, in Rio de Janeiro (Capital of Rio de Janeiro State, RJ), the composed, pianist, arranger and lyric writer Tom Jobim (Antônio Carlos Brasileiro de Almeida Jobim), to whom Radamés dedicates, in 1975, the gallop Meu amigo Tom Jobim (My friend Tom Jobim) . In retribution Tom dedicates to Radamés the choro Meu amigo Radamés.
- Romance (sem palavras) (Romance without words) for piano solo – dedicated to Vera, his fiancee.
- In the United States, the world première of the first spoken movie, a feature film, produced by Warner Brothers, The Jazz Singer, by Alan Crosland, starring Al Jolson.
-  In 1971, Radamés composes Musiquinha para bis (Little song for bis) inspired by the theme “Domingo azul no mar” (Blue Sunday by the sea), by Tom Jobim ans Newton Mendonça, and dedicates it to Guanabara Quartet. In 1975, Radamés composes this piece, with the definite title Meu amigo Tom Jobim and he records it at Odeon, with his sextet and string orchestra. Visit the website Antonio Carlos Jobim – http://www.jobim.org/
- Born in Natal, (Capital of Rio Grande do Norte State, RN), the composer and maestro Mário Tavares, to whom Radamés had great esteem and admiration.
- Born in Santa Cruz do Sul (Rio Grande do Sul State, RS), Chiquinho do Acordeom Romeu Seibel (Chiquinho do Acordeom) , to whom Radamés dedicates the Concerto para acordeom e orquestra de cordas (Concert for accordion and string orchestra), in 1977.
- Reminiscência – para violino, flauta, fagote e piano (for violin, flauta, bassoon and piano)
- Reminiscência – para quarteto de cordas com piano (for string quartet and piano) – Transcription.
- Violino – para violino e piano – (for violin and piano) –dedicated to the violinist and friend Sílvio Grandi. This is a transcription of the Romance (sem palavras), from 1927. In 1930, Radamés records it at Odeon, solo by the violinist Romeu Ghipsman, entitled as Canto de violino.
- Created the first Samba School in Rio de Janeiro: Deixa Falar , at the Estácio neighbourhood.
- Starts to circulate in São Paulo, the Magazine of Anthropophagy, where Oswald de Andrade publishes his Manifesto Antropófago.
-  Aproved by maestro Radamés, Chiquinho joins the National Radio Orchestra in 1953 and the Radamés Gnattali Sextect, in 1954.
-  The samba school Deixa Falar was founded by a group of new composers and samba stars from Rio de Janeiro, featuring Ismael Silva, Bide (Alcebíades Barcelos), Mano Rubem (Rubem Barcelos Bide’s brother), Mano Edgar (Edgar Marcelino dos Passos), Baiaco (Osvaldo Vasques), Brancura (Silvio Fernandes), Nilton Bastos, among others.
- On June 1st, Radamés participates in the special Fifth Anniversary of Radio Club do Brasil, performing with the radio orchestra, the B flat minor Concert Nº 1 for piano and orchestra, by P. Tchaikosvsky, regency by maestro Arnold Gluckmann .
- On October 24th, in a concert organized by his professor Guiilherme Fontainha, Radamés repeats the program performed at Rádio Club, this time at the Municipal Theater of Rio de Janeiro and accompaniment by grand orchestra, regency by maestro Gluckmann. The event had an immense repercussion among the public and the specialists in the press. Below, a summary of some newspapers from Rio de Janeiro. 
Promotional material for Radamés’ debut recital as a composer at Theatro São Pedro (Porto Alegre – RS), scheduled for September 17, 1930.
- In April 28th the Estação Primeira de Mangueira is the second Samba School in Rio de Janeiro, founded by a group called Bloco dos Arengueiros. Among the distinguished group of founders, Angenor de Oliveira (1908-1980), the famous composer whose nick-name was Cartola.
- The Recording Companies Victor and Brunswick start their activities in Brazil.
- Broadway melody, the first sound synchronized-feature film is presented in Rio de Janeiro.
- In September, the BBC, in London, breaks out with the first experimental television experiment.
- West world is shaken up for the severe economic crisis, the stock market crash in New York, resonating in Brazil with the crash of Brazilian coffee plantation, commerce and exportation.
- The 1930 Revolution breaks out in Rio Grande do Sul, Minas Gerais, Pernambuco and Paraíba , 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.
- 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 .
- The first live radio broadcasts show up in Rio de Janeiro.
- Adhemar Gonzaga creats the Cinédia, the first Brazilian cinematographic movie company.
-  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.
-  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”.