This split occurred at the same time as the renovation of the Opera House in 1984 and the preceding heated cultural and political debate in Zurich, which had led to disturbances by young people in the city in 1980.
Diese Trennung stand vor dem Hintergrund des Umbaus des Opernhauses 1984 und der vorangegangenen hitzig geführten kulturpolitischen Debatte in Zürich, die 1980 zu Jugendunruhen in der Stadt geführt hatte.