 This is particularly evident in his earlier orchestral works such as "Concerto" (1954) and "Divertimento" (1956).His "La crocifissione" premièred at La Scala in 1954 to great acclaim.The expressiveness of work was particularly admired and the composer followed similar style in his "Stabat mater" (1957) and "New York oficina y denuncia" (1964), the latter of which denounced the dehumanizing environment of the modern metropolis.