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The Barcelona Auditorium is home to the Barcelona Symphony Orchestra and the National Orchestra of Catalonia, the Barcelona Municipal Band and the Music Museum, which has been part of the European Concert Hall Organization (ECHO) since December 2007. , the most important auditorium association in Europe.

The Auditor i wants to project Catalonia and Barcelona to the world through its own, stable and integrative musical project.

This organization is a member of the Barcelona Biospher Commitment to Tourism Sustainability.