In 1783 the Austrian Emperor
Joseph II founded a new opera company specialising in Italian opera buffa. At the time Storace was singing at the
Teatro San Samuele in Venice. Count
Giacomo Durazzo, who was both an experienced former theatre director and the Emperor's ambassador, engaged Michael Kelly, as he states in his
Reminiscences. With further recruitment like the librettist
Lorenzo Da Ponte an outstanding ensemble was formed.
Vienna performances According to Dorothea Link, Storace performed in about 20 operas during her stay in Vienna. She sang in several world premieres in 1780s, including Susanna in Mozart's
Le nozze di Figaro (with Benucci in the title role), the Countess in
Salieri's ''
La scuola de' gelosi'' (also with Benucci) and Angelica in
Vicente Martín y Soler's
Il burbero di buon cuore. Storace seems often to have made a powerful impression on audience members. Hunter describes and quotes the diary of Count
Karl von Zinzendorf, a government official who regularly attended the theater in Storace's time: :[His] 1783 comments about Nancy Storace as Dorina in
Fra i due litiganti seem astonishingly unguarded: "Storace played [the role] like an angel. Her beautiful eyes, her white neck, her beautiful throat, her fresh mouth, made a charming effect." His 1787 comments on the duet, "Pace, caro mio sposo," in
Una cosa rara suggest comparable enthusiasm for the music Storace sang: "I find the duo between
Mandini and Storace so tender and so expressive that it poses a danger to the young members of the audience. One needs to have had some experience in order to see it with a cool head". After Storace left Vienna in 1787, Zinzendorf's diary entries repeatedly express regret that later sopranos could not live up to her performances. The Hungarian poet
Ferenc Kazinczy attended a performance of
The Marriage of Figaro and later remembered the powerful impression the work made on him, mentioning Storace in particular: :Storace, the beautiful singer, enchanted eye, ear, and soul. – Mozart directed the orchestra, playing his
fortepiano; the joy which this music causes is so far removed from all sensuality that one cannot speak of it. Where could words be found that are worthy to describe such joy?
Friendships with Haydn and Mozart Storace was on friendly terms with both Mozart and Joseph Haydn. Mozart had been living and working in Vienna since 1781; Haydn enjoyed his visits to Vienna but was compelled by his employment with Prince
Nikolaus Esterházy to spend most of his time at
Esterháza, Hungary, and
Eisenstadt, Austria. Storace sang in Haydn's
oratorio Il ritorno di Tobia in March 1784. Haydn later visited Storace with her brother Stephen in their home and played chamber music. He also wrote a cantata "for the voice of my dear Storace", thought to be
Miseri noi, H. XXIVa. Storace would have worked closely with Mozart on
The Marriage of Figaro, which premiered in Vienna on 1 May 1786; it is possible that her lively acting style was the inspiration for the central character of Susanna. Mozart evidently made on-the-spot changes to the vocal part in response to Storace's special needs. Author , expanding on earlier claims of musicologist
Alfred Einstein, suggested that Mozart and Storace may have had a love affair. When she was about to leave Vienna, Storace performed in a farewell concert on 23 February 1787. For this occasion Mozart wrote the concert
recitative and
aria "
Ch'io mi scordi di te? [...] Non temer, amato bene" for her. The work, which is headed "Recitativo con Rondò. Composto per la Sigra: storace
/ dal suo servo ed amico W: A: Mozart.
/ viena li 26
/ di decbr: 786", is a duet for soprano and piano with orchestra which, in view of Mozart's note in his own thematic catalogue ("Scena con Rondò mit klavierSolo. für Mad:selle storace und mich."), was very likely performed by her, with Mozart himself playing the piano part, at her farewell concert. In 2011 the British composer
Peter Seabourne was commissioned by
Staatsorchester Rheinische Philharmonie to write an orchestral work
Tu Sospiri taking words from this concert aria as a starting point.
Failure of her voice On 1 June 1785, Storace suffered a catastrophic failure of her voice during a performance of her brother's opera
Gli sposi malcontenti ("The unhappily married couple"). Kelly describes the event in his memoirs: :A new opera, composed by Stephen Storace, was produced ... Signora Storace and myself had the two principal parts in it. In the middle of the first act, Storace all at once lost her voice, and could not utter a sound during the whole of the performance; this naturally threw a damp over the audience, as well as the performers. The loss of the first female singer, who was a great and deserved favourite, was to the composer, her brother, a severe blow. I never shall forget her despair and disappointment, but she was not then prepared for the extent of her misfortune, for she did not recover her voice sufficiently to appear on stage for five months. In Autumn 1785 Mozart collaborated with
Antonio Salieri (in whose operas Storace also performed) and an unknown composer, Cornetti, on a short cantata entitled
Per la ricuperata salute di Ofelia, celebrating Storace's return to the stage. The cantata was believed to be lost until its discovery in November 2015 by musicologist and composer
Timo Jouko Herrmann while doing research on Salieri in the collections of the Czech Museum of Music. Even after the five months absence was over, Storace's voice was apparently far from fully recovered. Goldovsky recounts the subterfuges that both Salieri and Mozart engaged in to make it possible for the recovering soprano to take major roles in their operas; Mozart in particular rewrote passages of
The Marriage of Figaro at lower pitch to help Storace get through her performances. Modern performances use the pitch values assigned by Mozart to later sopranos in the Prague and Vienna revival performances. ==England==