Mozart's beloved Idomeneo

Idomeneo, re di Creta ossia Ilia e Idamante (Italian for Idomeneo, King of Crete, or, Ilia and Idamante; usually referred to simply as Idomeneo, K. 366) is an Italian opera by Wolfgang Amadeus Mozart. The libretto was adapted by Giambattista Varesco from a French text by Antoine Danchet, which had been set to music by André Campra as Idoménée in 1712. Mozart and Varesco were commissioned in 1780 by Karl Theodor, Elector of Bavaria for a court carnival. He probably chose the subject, though it might have been Mozart.The libretto clearly draws its inspiration from Metastasio and its overall layout, not to mention the type of character development which Metastasio had developed and mostly from the highly poetic language used in the various numbers and the secco and stromentato recitatives. The style of the choruses, marches, and ballets was very French, and the shipwreck scene towards the end of Act I is almost identical to the structure and dramatic working-out of a similar scene in Gluck's Iphigénie en Tauride. The sacrifice and oracle scenes are similar to Gluck's Iphigénie en Aulide and Alceste. Kurt Kramer has suggested that Varesco was familiar with Calzabigi and therefore the work of Gluck, especially the latter's Alceste; much of what we see in Varesco's most dramatic passages is the latest French style, mediated by Calzabigi. It is thanks to Mozart, though, that this mixture of French styles (apart from a few choruses) moves away from Gluck and France and returns to its more Italian (opera seria) roots; the singers were all trained in the classical Italian style, after all, and the recitatives are all classically Italian.

It was first performed at the Cuvilliés Theatre of the Residenz in Munich on January 29, 1781. Written when the composer was 24, Idomeneo was Mozart's first mature opera seria, and with it he demonstrated his mastery of orchestral color, accompanied recitatives, and melodic line. In certain respects (e.g., the choirs), however, this opera is still an experimental drama, resulting more in a sequence of sets than in a well developed plot. Mozart also had to fight with the mediocre author of the libretto, the court chaplain Varesco, making large cuts and changes, even down to specific words and vowels disliked by the singers (too many "i"s in "rinvigorir").

Idomeneo was performed three times at Munich, and later in 1781 Mozart considered revising it to harmonise it with Gluck's style. This would have meant a bass Idomeneus and a tenor Idamantes, but nothing came of it. A concert performance was given in 1786 at the Auersperg palace in Vienna, and as well as changing Idamantes from a castrato to a tenor, Mozart wrote some new music and cut out other parts.

Today Idomeneo is part of the standard operatic repertoire.

Information source: Wikipedia

The following is the chorus from Act II: Placido e il mar (Salzburg Festival 2006), probably one of the most beautiful choruses in all of opera.