Gustavo III (Verdi) to meet commitments regarding "Lear". Finally, in a letter which he wrote to Torelli in September 1857, Verdi confessed that he had "looked through an infinite number of plays...but not one of them will do for me..." but he then described an existing libretto which interested him, one which was written by the French playwright and librettist Eugene Scribe for Daniel Auber's very successful 1833 opera, "Gustave III, ou Le bal masqué": Verdi turned to the historical subject of King Gustav III of Sweden, who was shot while attending a masked ball in Stockholm in 1792 and died thirteen days
Giuseppe Verdi and Strepponi left Paris in July 1849, the immediate cause being an outbreak of cholera, and Verdi went directly to Busseto to continue work on completing his latest opera, "Luisa Miller", for a production in Naples later in the year. Verdi was committed to the publisher Giovanni Ricordi for an opera—which became "Stiffelio"—for Trieste in the Spring of 1850; and, subsequently, following negotiations with La Fenice, developed a libretto with Piave and wrote the music for "Rigoletto" (based on Victor Hugo's "Le roi s'amuse") for Venice in March 1851. This was the first of a sequence of three operas (followed