From 1958 to 1974, Perdigão worked at the Calouste Gulbenkian Foundation on the creation and direction of its Music Service. The Foundation is dedicated to the promotion of the arts, science, and education and is one of the wealthiest charitable foundations in the world, having been founded by
Calouste Gulbenkian, an international oil trader. Her achievements included the establishment of the
Gulbenkian Orchestra in 1962, the Gulbenkian Choir in 1964 and the Gulbenkian Ballet in 1965, as well as the staging of 13 Gulbenkian Music Festivals between 1958 and 1970. She was also president of the Steering Committee for the Reform of the National Conservatory between 1971 and 1974. Following the overthrow of the
Estado Novo at the time of the 1974
Carnation Revolution, Perdigão left the Gulbenkian Foundation in 1975, having been invited by the new Government to contribute to the restructuring of national artistic education, chairing the working group dedicated to this reform. She was president of the first international festival of music of Lisbon in 1983. In 1984 she returned to the Gulbenkian to establish its Animation, Artistic Creation, and Art Education Service (ACARTE). She believed that “the great traditional artistic areas......are in a process of continuous evolution, in order to be able to respond to the demands of society, itself also in evolution, and to respond to their intrinsic needs for development and progress”. Thus, ACARTE was intended to promote more effective communication between the public and works of art, increase artistic creation, and promote education through art. Among her activities was the creation of the
Centro Artístico Infantil (CAI - Children's Artistic Center) at the Gulbenkian. ==Awards and honours==