Lo sposo deluso

Lo sposo deluso, ossia La rivalità di tre donne per un solo amante (The Deluded Bridegroom, or The Rivalry of Three Women for One Lover) is a two-act opera buffa, K. 430, composed by Wolfgang Amadeus Mozart between 1783 and 1784. However, the opera was never completed and only a 20-minute fragment from act 1 exists.

Performance history
Mozart had originally planned to have the opera performed by a seven-member Italian troupe in Vienna. Although it was once thought that Lorenzo Da Ponte might have been the author of the libretto, scholarship by Alessandra Campana has established that the libretto was written by an unknown Italian poet for Domenico Cimarosa's opera Le donne rivali, which he composed for the Rome carnival season of 1780. According to Neal Zaslaw, Cimarosa's librettist may have been Giuseppe Petrosellini, the house poet of the Teatro Valle where Le donne rivali premiered. (Petrosellini was also the probable librettist of Mozart's earlier opera La finta giardiniera). For Lo sposo deluso, Mozart had the characters in Le donne rivali expanded from five to seven, renamed the original five, and established the cast of singers for whom he would be writing. It is unclear why he abandoned the work, although Zaslaw has proposed that it was a combination of the difficulties presented by re-writing and adapting the libretto for the Viennese audience and the fact that in 1785, Da Ponte had finally come through with the libretto for Le nozze di Figaro.

The first known performance of material from Lo sposo deluso dates from 15 November 1797, six years after Mozart's death. Mozart's widow, Constanze, arranged for the overture and opening quartet to be performed at the Estates Theatre in Prague during a concert highlighting the musical debut of their youngest son, Franz Xaver Mozart.

In 1991, the 200th anniversary of Mozart's death, Opera North premièred The Jewel Box, a pasticcio opera devised by Paul Griffiths. This used the existing pieces from Lo sposo deluso and L'oca del Cairo as well as arias written by Mozart for insertion into operas by Anfossi, Piccini and Cimarosa, among others. (The programme was an imagined reconstruction of a 1783 pantomime in which Mozart and Aloysia Weber are said to have taken part.)

In 2006, the 250th anniversary of Mozart's birth, the fragment of Lo sposo deluso received several performances, including:
 * Bampton Classical Opera's revival of The Jewel Box.
 * The Salzburg Festival's double bill of Lo sposo deluso and L'oca del Cairo, and other arias written by Mozart in a programme titled Rex tremendus, conceived and staged by Joachim Schlöme with the Camerata Salzburg conducted by Michael Hofstetter. (This performance is preserved on DVD, see Recordings)

Roles
Note that the opera was unfinished and never premiered as such. The singers' names given in the table below are those for whom Mozart wrote the roles and who were to have sung in its premiere. The setting is a seaside villa near Livorno.

The cast is nearly identical to that of the first Le nozze di Figaro. Benucci was the first Figaro. Storace the first Susanna. Mandini the first Count Almaviva, and Bussani the first Bartolo. Both Mandini and Bussani started as tenors but by this time they were a baritone and a bass respectively.

Existing pieces from the opera

 * Overtura – an upbeat, presto instrumental piece which develops into a more lethargic pensive mood
 * Quartetto – "Ah, ah che ridere" (Pulcherio, Papparelli, Bettina, Don Asdrubale)
 * Aria (fragment) – "Nacqui all'aria trionfale" (Eugenia)
 * Aria (fragment) – "Dove mai trovar quel ciglio?" (Pulcherio)
 * Terzetto – "Che accidenti" (Papparelli, Don Asdrubale, Eugenia)

Recordings

 * Rex Tremendus (Lo sposo deluso, L'oca del Cairo and other fragments by W. A. Mozart) with Ann Murray, Marianne Hamre, Graham Smith, Josef Wagner, Marisa Martins, Jeremy Ovenden, Matthias Klink, Silvia Moi, Miljenko Turk, Malin Hartelius and the Camerata Salzburg conducted by Michael Hofstetter. DVD of the live performance at the 2006 Salzburg Festival (Deutsche Grammophon 0734250)
 * 1975 – Clifford Grant (Bocconio), Felicity Palmer (Eugenia), Anthony Rolfe Johnson (Asdrubale), Robert Tear (Pulcherio), Ileana Cotrubaș (Bettina) – London Symphony Orchestra, Sir Colin Davis – CD Philips Classics
 * Libertà!, Mozart et l'Opéra. Raphaël Pichon conducting Pygmalion, with Siobhan Stagg, Serena Malfi, Linard Vrielink, John Chest and Nahuel di Pierro. Harmonia mundi. Without the aria "Nacqui all'aria trionfale". Quartet and aria "Dove mai trovar quel ciglio?" arranged by Pierre-Henri Dutron.