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Psyché is an opera (tragédie lyrique) in a prologue and five acts composed by Jean-Baptiste Lully to a libretto by Thomas Corneille (adapted from Molière's original play for which Lully had composed the intermèdes). Based on the love story of Cupid and Psyche, Psyché was premiered on April 19, 1678 by the Académie Royale de Musique at the Théâtre du Palais-Royal in Paris.
According to the Mercure Galant, the opera Psyché was composed in three weeks; libretto, score and all. Although it is impossible to verify the truth of this statement, there is every reason to believe that Lully was in a hurry when writing this opera. In effect, the opera reuses the intermèdes from Molière's play. Since these intermèdes had met with such spectacular success seven years earlier, Lully must have felt that given his lack of time, he could at the very least attract a crowd with the promise of reviving the plainte italienne and the final divertissement. All that was required was a synthesis of Molière's play that could coherently string together the already-existing intermèdes. Such a text would have to be one third the length of Molière's, that is to say 600 rather than 1800 lines long, and would have to be composed in varied rimes and rhythms rather than the alexandrines in riming couplets used in spoken declamation. Unfortunately, Lully's usual librettist, Philippe Quinault, was in disgrace at court over his previous opera Isis and the task fell to Thomas Corneille, very likely at the bidding of the same cabal that had sought to disgrace Quinault. Whether by choice or out of necessity, Corneille's text is not a synthesis of Molière's, but rather a profoundly different plot for a profoundly different genre.
It is believed that Fontenelle, Thomas Corneille's nephew, collaborated on the text. It is impossible to know whether or not this is true or, if true, to what extent Fontenelle participated. All anecdotes speaking of Psyché state that Thomas Corneille is the author without mentioning Fontenelle. The latter, however, placed the libretto among his complete works, without the slightest mention of the participation of his uncle. Conversely, none of Thomas Corneille's three opera librettos appear in any of the editions of his works or theatre. It is now impossible to know if or how Fontenelle participated in the writing of Psyché, but in view of all of the accounts of Psyché's creation it seems improbable that he should be sole author of the work.
- Prologue 
- Venus (soprano)
- L'Amour (mute)
- Flora (soprano)
- Vertumne (haute-contre)
- Palemon (taille)
- Nymphs of Flora (sopranos)
- Deities of land and water (chorus)
- Jupiter (bass)
- Venus (soprano)
- L’Amour (boy soprano/haute-contre)
- Mercure (haute-contre)
- Vulcain (haute-contre)
- Zéphir (haute-contre)
- The king, father of Psyché (bass)
- Psyché (soprano)
- Aglaure, Psyché's sister (soprano)
- Cidippe, Psyché's sister (soprano)
- Licas (bass)
- The god of a river (bass)
- Nymphs, Zephyruses & Amours (boy sopranos)
- Two nymphs of Acheron (sopranos)
- The three Furies (haute-contre, taille and bass)
The prologues to the two works are identical up until the arrival of Venus. In Corneille's text, Venus banishes the followers of Flora who had summoned her and calls her son Cupid to punish Psyche, whom mortals revere as a second Venus.
In the first act, Psyche's sisters learn with the spectators that Psyche must be sacrificed to a dragon that has been ravaging the kingdom. The plainte italienne from Molière's play is sung to represent the mourning of the people. The sisters flee at Psyche's arrival and it is her father who informs her of the oracle that has pronounced her doom. Psyche unhesitatingly climbs the rock to offer herself in sacrifice, much to her father's consternation, and is carried away by Zephyrs.
Act two opens with Vulcan and a group of cyclops who are building a palace for Psyche at Cupid's bidding. Just before Vulcan can complete the palace, he is surprised by his wife Venus who discovers that her son has betrayed her. She quarrels with her husband and vows revenge against her son. Psyche awakes and is courted by Cupid. The act ends in a happy love scene, but Cupid must hide his identity and begins a divertissement sung by three nymphs to divert Psyche's attention.
In act three, Venus disguises herself as a Nymph and gives Psyche a lamp with which to discover the identity of her lover. Psyche is overjoyed to discover that her lover is Cupid himself, but the light of the lamp awakes the god who flees. At the same time, the palace disappears and Psyche is left in a desolate wilderness. Venus exposes her treachery to Psyche and further accuses her of trying to marry her way into immortality. She forces her to descend to hell and recover a box wherein Proserpine keeps her beauty. Psyche, in despair, attempts to drown herself, but is saved by the River God who peacefully accompanies her to the underworld.
In act four, Psyche resists the torture of the three furies in order to meet the Nymphs of the Acheron. These nymphs banish the furies, give Psyche the box she is looking for and conduct her to Venus's garden where act five is set.
In act five, Psyche opens the box, hoping to restore any beauty she might have lost during her recent hardships. But instead of beauty, the box exudes a poisonous vapour that kills Psyche. Venus appears to rejoice and brings Psyche back to life in order to gloat and torture her further. She is amazed to see that Psyche is still in love with her son despite so many hardships. But she is resolved to continue punishing her. Mercury descends and begs her to stop, recounting the chaos and suffering in the universe that has been produced by Cupid's displeasure. Venus takes no heed and Jupiter descends himself to calm the goddess and pronounce Psyche immortal. The lovers are united and the opera ends with a magnificent ballet, identical to the one closing the 1671 version.
Accounts of the success of the opera vary greatly. The Mercure Galant states that the opera was extremely well received; that audiences were enthralled by Lully's music as always and that they would never have guessed that Corneille had composed the libretto in so little time as three weeks. On the other hand, the Frères Parfraict in their Histoire de l'académie royale de musique claim that the opera is "irremediably cold" and that "the diabolical character of Venus ruins what little galantry there is to be found" in it. These reports are both equally difficult to believe when one considers, on the one hand, that Thomas Corneille was one of the chief editors of the Mercure Galant and, on the other hand, in what contempt the Parfaict brothers held all authors of the 17th century other than Pierre Corneille, Molière, Jean Racine and, for opera, Philippe Quinault. Might they have felt obligated to condemn Thomas Corneille's libretto out of fidelity to his brother, Molière and most of all Quinault whose place Thomas Corneille may have thought he was usurping indefinitely? The Parfaict brothers' attitude seems to have remained the dominant one since the 18th century. Robert Fajon, in his Opéra à Paris du Roi Soleil à Louis le Bien-Aimé, even goes so far as to accuse Thomas Corneille of being responsible for Lully's only operatic failure. Concretely, however, none of Lully's operas were a failure. Their success continued to daunt operatic composers well into the 18th century. It is true that Psyché, unlike many of Lully's operas, was not created at court and was only revived twice (once in 1703 and again in 1713). Thésée, by comparison was revived ten times and remained in the repertoire of the Académie royale de musique until 1744.
- Buford Norman Touched by the Graces: The Libretti of Philippe Quinault in the Context of French Classicism (Summa, 2001), p. 213
- According to Arnason, p. 55.
- According to Arnason, p. 59.
- The part of Cupid is notated in the soprano clef and was originally performed by a boy soprano. It is notated in the alto clef (i.e. for a haute-contre) only in the sixth scene of Act 2, the only one where Cupid appears in human form and performs a love scene with Psyché (Arnason, p. 59, note 84). Arnason does not relate who was the first performer, but at the 1703 and 1713 revivals this role was taken by the Académie's principal tenor, Jacques Cocherau (ca 1680-1734) (Magazine de l'opéra baroque).
- The part is notated in the soprano clef, but it was originally sung by the baritenor Gaye, who also performed the role of Palemon in the prologue (Arnason, p. 59, note 86).
- Arnason, Luke, Psyché. De Thomas Corneille, critical edition of the 1678 libretto, master's thesis at the Sorbonne (pdf copy at the University of Manitoba)
- Gaines, James F. (2002). The Molière Encyclopedia. Greenwood Publishing Group. ISBN 0-313-31255-9
- Midgette, Anne (June 16, 2007). "Singing! Dancing! Tragedy! Comedy! Resurrecting a 1600s Operatic Spectacle". New York Times
- Powell, John S. (2000). Music and Theatre in France, 1600-1680. Oxford University Press. ISBN 0-19-816599-4
- Sadie, Julie Anne (1998). Companion to Baroque Music. University of California Press. ISBN 0-520-21414-5
- Psyché. Le magazine de l'opéra baroque by Jean-Claude Brenac (in French)
- Photo Journal: Lully's Psyché at the Boston Early Music Festival on Playbill Arts.
- Full scores in both the hand-copied version by the Atelier Philidor (1702), scanned by Bibliothèques de Versailles and in a typeset version by Nicolas Sceaux. Note that the third complete score listed on the page, scanned by the Bibliothèque de Toulouse, appears to be Lully's music for the 1671 Molière play of the same name.