- Born in Guaratinguetá (São Paulo State, SP), the composer and guitar player Dilermando Reis, to whom Radamés dedicates his Sonatina para violão e piano (for guitar and piano), in 1957.
- Born in Jaguarão (Rio Grande do Sul State,RS), the composer and harmonic player Edu da Gaita (Eduardo Nadruz), to whom Radamés dedicates, in 1956, his Concertino nº 1 para harmônica de boca e orquestra de câmara. (for Harmonica and Chamber Orchestra)
“Radamés, words are not enough and limited to express my recognition for the honor you provided me by writing the ‘concertino’ for my harmonic. Here is the biggest and sincere hug from Edu, Rio, 08/13/957”.
- Sinhô (José Barbosa da Silva, 1888-1930) artistically projects himself playing piano at Japan Kananga Club, at Praça 11, Rio de Janeiro, which deeply contributes to the fixation of the samba genre.