Later they lived for almost 5 years in Santiago de Chile where Carlos studied humanism and continued his music education.
While the rest of the family went to Cuba, Carlos stayed in Brussels for almost five years where he studied radio telephone engineering.
In 1933, Carlos entered the Institute of high studies in music in Ixelles, a part of Brussels.
He did his most important studies of Harmony and Musical Analysis with Marguerite Wouters who was cathedratic of the Royal Conservatoire of Belgium.
His teacher in orchestra was Silvestre Revueltas in the National Conservatory of Music of Mexico.