Royal Swedish Opera Daniel Auber and "Un ballo in maschera" by Verdi.) Following the assassination, the opera house was closed until 1 November 1792, when it was opened again, which by some was considered shocking. The son of Gustav III, King Gustav IV Adolf of Sweden, did not like the Opera, possibly because of the murder of his father, and disliked the fact that the scene of his father's murder was used as a place of amusement and leisure, and when a frivolous play was performed for his queen Frederica of Baden in 1806, he decided to close it down. It remained closed
Falstaff (opera) an English critic, R A Streatfeild, remarked on how Verdi succeeded: In November Boito took the completed first act to Verdi at Sant'Agata, along with the second act, which was still under construction: "That act has the devil on its back; and when you touch it, it burns", Boito complained. They worked on the opera for a week, then Verdi and his wife Giuseppina Strepponi went to Genoa. No more work was done for some time. The writer Russ McDonald observes that a letter from Boito to Verdi touches on the musical techniques used in the opera – he wrote