The Chorus of the São Carlos National Theatre was founded in 1943, soon acquiring a wide operatic and oratorio repertoire and between 1962 and 1975 collaborating with the Companbia Portugesa de Ãpera based at the Teatro da Trindade. The chorus became fully professional in 1983 and from 1985, with the appointment of Gianni Beltrami as chorus-master, trios embarked on an ambitious operatic and concert repertoire. Gianni Beltrami was succeeded, after his premature death, by the present Musical Director, João Paulo Santos, under whose guidance the Chorus has developed an even more comprehensive repertoire both in the theatre and the concert-hall, collaborating with leading international conductors of distinction