Culture of Milan nevertheless it retained a sort of central position in cultural debates. New ideas and movements from other countries of Europe were accepted and discussed: thus Realism and Naturalism gave birth to an Italian movement, "Verismo". The greatest "verista" novelist, Giovanni Verga, was born in Sicily but wrote his most important books in Milan. Milan is a major nationwide and international centre of the performing arts, most notably opera. Milan is the location of "La Scala" opera house, one of the most prestigious opera houses in the world, and throughout history has hosted the premieres of numerous operas, such as "Nabucco"
Opera in German which foreshadows the "Singspiel", a genre of German-language opera in which arias alternate with spoken dialogue. "Seelewig" was a moral allegory inspired by the example of contemporary school dramas and is the first German opera whose music has survived. Another important development was the founding of the Theater am Gänsemarkt in Hamburg in 1678, aimed at the local middle classes who preferred opera in their own language. The new opera house opened with a performance of Johann Theile's "Der erschaffene, gefallene und aufgerichtete Mensch", based on the story of Adam and Eve. The theatre, however, would come to be dominated