The Festival opens its gates for the first time on 24 May 1970. Step by step it establishes itself as the most important international event for Sofia and the country. Aiming at its main purpose – presenting to the Bulgarian audience the most remarkable things from the world’s and Bulgarian music art of the highest level – the Festival receives an international recognition by becoming a member of the European Festivals Association for Music, Theatre and Dance (1982), which members are prestigious festivals from whole Europe.
The Festival is held in the best concert halls of Sofia: Bulgaria hall (big and chamber), halls of the National Palace of Culture, the National Gallery if Fine Arts, etc., which creates possibilities for using the interior and exterior areas for advertising purposes. Co-organizers of the Weeks are Sofia Municipality, Ministry of Culture, National Palace of Culture. The Festival collaborates very actively with the foreign embassies and cultural institutes in this country. The Festival events have a wide publicity in the electronic and mass media.