Rita, ou Le mari battu (Rita, or The Beaten Husband) is an opéra comique in one act, composed by Gaetano Donizetti to a French libretto by Gustave Vaëz. The opera, a domestic comedy consisting of eight musical numbers connected by spoken dialogue, was completed in 1841 under its original title Deux hommes et une femme (Two Men and a Woman). Never performed in Donizetti's lifetime, Rita premiered posthumously at the Opéra-Comique in Paris on 7 May 1860.
In 1841, while Donizetti was in Paris waiting for the libretto to be completed for a commission by La Scala, he had a chance encounter with Gustave Vaëz, who had co-written the libretti for two of his earlier operas, Lucie de Lammermoor (the French version of Lucia di Lammermoor) and La favorite. He asked Vaëz if he could provide a libretto for a short opera to keep him busy while waiting for the La Scala project to advance. Vaëz quickly created Deux hommes et une femme (Two Men and a Woman), a comic piece in one act consisting of eight musical numbers connected by spoken dialogue. According to Vaëz, Donizetti completed the score in eight days. However, the Opéra-Comique rejected it and Donizetti then had the libretto translated into Italian for an intended performance at the Teatro del Fondo in Naples. Following the death of the Teatro del Fondo's impresario, Domenico Barbaja, the Naples performance fell through. The score, still unperformed, was found in Donizetti's effects when he died in 1848.
On 7 May 1860, twelve years after the composer's death, the opera premiered at the Opéra-Comique with the title Rita, ou Le mari battu (Rita, or The Beaten Husband).
Although not a great success at the time and only sporadically performed in the 100 years following its premiere, it was revived and warmly received first in Rome in 1955 and then at the Piccola Scala in Milan in 1965. In the ensuing 50 years Rita (both in the original French and its Italian translation) has become one of Donizetti's most frequently performed operas.