About The Opera House
The Opera, Ballet, Concerts in Oslo \ Den Norske Opera & Ballett website features detailed information on not only the tickets and performances at the opera house but can also tell you a little history about the Oslo Opera House. From information on its architecture-what materials were used, to the traditional hall and stage and audiences.
Source:
"About the Opera House Den Norske Opera & Ballett." Operaen.no. N.p., n.d. Web. 02 Feb. 2015.
