Once located there, they started a series of presentations at some of the local restaurants, which allowed them to cover their daily expenses.
With an improvised album, made of eight pictures taken at a nearby lab in the bus terminal, they left to look for a job in the big city.
There, the group made contact with other Paraguayan artists who were living in that city, such the case of Luis Bordón, Papi Galan and Americo Pereira, the latter with whom Safuán studied theory.
At the same time, he dedicated himself to making musical arrangements at disco houses and to the presentations of the group.
He was questioned by the evolution of the folk music of his country, and in 1974 he started a research on it, and elaborated the basis for a projection proposal, developing rhythmic combinations as well as melodic ones, in base of the fusion of the guarania and the Paraguayan polka.