He made artistic tours around countries and cities of the region, finally stopping in Buenos Aires, Argentina, where he settled to live and continue his studies with the greatest masters of harmony and compositions and instrumentation, Isidro Maistegui and Gilardo Gilardi.
During the time of his military instruction he met Eladio Martínez, who he played with a duet "Martínez-Cardozo", which recorded an important quantity of discs for Odeon studios of Buenos Aires where he also performed many presentations at theatres, radios and cultural centers.
In 1932, due to the beginning of the Chaco War between Paraguay and Bolivia, the duet "Martínez-Cardozo", together with other artists, made successful acting to gather money for the Paraguayan Red Cross.
", "El tirteo verde-olivo: Emiliano R. Fernández", "Instrumentos musicales del Paraguay", "Músicos, poetas y artífices de la cultura artística paraguaya", among others .
When he came back to Paraguay he formed the "Conjunto Folklórico Perú Rimá", whose work in the Paraguayan music hierarchy, which is greatly recognized by the quality and artistic rigor as well as its aesthetics .