Where is the theater with best acoustics?

The best concert halls and opera houses in the World with best acoustics are:

1. Concertgebouw, Amsterdam, Netherlands

2. Sydney Opera House, Sydney, Australia

3. Philharmonie Berlin, Berlin, Germany

4. Musikverein, Vienna, Austria

5. Walt Disney Concert Hall, Los Angeles, USA

6. Auditorio Nacional de Música, Madrid, Spain

7. Elbphilharmonie, Hamburg, Germany

8. Festspielhaus Baden-Baden, Baden-Baden, Germany

9. The Sage Gateshead, Gateshead, UK

10. Royal Albert Hall, London, UK