This international choral contest has been held in Tolosa every year since 1969, always around the time of All Saints’ Day on 1 November.

Its aim is to bring together the best choirs in the world, in order to enable an exchange of styles, interpretation, choral literature, vocal education and customs of each country, as well as to raise awareness of the musical and cultural tradition of the Basque Country.

Over the decades, the competition has become one of the most important choral events in the world. and to date, almost 1.200 different choirs from all over the world have come to Tolosa to make their music.