Royal Swedish Opera architect Carl Fredrik Adelcrantz was commissioned by King Gustav III, a strong adherent of the ideal of an enlightened absolutism and as such was a great patron of the arts. The Swedish Opera company had first been located in Bollhuset, but there was a need to separate the Opera from the theatre and give them separate buildings. Construction began in 1775 and the theatre was inaugurated on 30 September 1782 with a performance of the German composer Johann Gottlieb Naumann's "Cora och Alonzo". It was also the place for public masquerade balls, events inspired from the famous opera-balls in Paris,
Alzira (opera) sextet and chorus, drawing the reader's attention to the fact that, after all, the libretto was written by Cammarano for a Neapolitan audience, the same one which would have experienced his famous "Lucia" sextet. However, as written by Verdi "the structure is altogether more varied and elaborate. The opening dialogue between Alvaro and Gusmano is remarkably original with its persistent upward motion from key to key a fifth apart." Notes Sources Alzira (opera) Alzira is an opera in a prologue and two acts by Giuseppe Verdi to an Italian libretto by Salvatore Cammarano, based on the 1736 play "Alzire, ou