One of his most important musical achievements has been a consistent research, performance and recording of the Cuban piano repertoire that include a long list of composers such as: Manuel Saumell, Ignacio Cervantes, Ernesto Lecuona, Alejandro García Caturla, Harold Gramatges, José Ardévol, Edgardo Martín, Hilario González, Fabio Landa, Leo Brouwer, Carlos Fariñas, Héctor Angulo, Roberto Valera, Carlos Malcolm, Armando Rodriguez Ruidiaz and Juan Piñera.
Valera was granted a scholarship from the Cuban government in 1965 to study in Poland with renowned composers Witold Rudzinski and Andrzej Dobrowolski.
Éamon de Valera | Roberto Cavalli | Roberto Rossellini | Roberto Carlos | Roberto Durán | Roberto Clemente | Roberto Bolaño | Roberto Faenza | Roberto Calvi | Roberto Matta | Roberto Alagna | Roberto Carlos (singer) | Roberto Mancini | Roberto Carlos (footballer) | Roberto Baggio | Roberto Moreno | Roberto Longhi | Roberto Formigoni | Roberto Di Matteo | Roberto De Vicenzo | Roberto D'Alimonte | Roberto Benigni | :it:Roberto D'Alimonte | Agustín Roberto Radrizzani | Roberto Valera | Roberto Stagno | Roberto Salmeron | Roberto Rodríguez | Roberto Martínez | Roberto Díaz Herrera |