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
Giuseppe Verdi retire, should he have wished to do so. He had reached a stage where he could develop his operas as he wished, rather than be dependent on commissions from third parties. "Il trovatore" was in fact the first opera he wrote without a specific commission (apart from "Oberto"). At around the same time he began to consider creating an opera from Shakespeare's "King Lear". After first (1850) seeking a libretto from Cammarano (which never appeared), Verdi later (1857) commissioned one from Antonio Somma, but this proved intractable, and no music was ever written. Verdi began work on "Il trovatore" after