"Outside of the Vienna State Opera House, the [artist:c3e80c59-7389-4703-a5a7-fea4f2220e29|Chor der Wiener Staatsoper] (Vienna State Opera Chorus) performs as '''[artist:07369521-5567-41ce-a7ed-10af57b76518|Konzertvereinigung Wiener Staatsopernchor]''' (Concert Association of the Vienna State Opera Chorus). This name expresses that the choir is not only capable of singing extended opera literature, but also a wide variety of concert repertoire." – http://www.kv-staatsopernchor.at/Concert_Association