From fifty years the OTOS is binding in the promotion and diffusion of its musical patrimony of italian Opera and it's present with its own titles in the most important national and international Theatres. Its catologue, yearly enriched with proposals which complete and increase the knowledge of the great composers of the Italian tradition, it is present in the most qualify bookshops of the world.

The OTOS editorial project means to deepen always more the relation within who's performing its musical patrymony, giving to the lyric artists and to the operators of our field the disposal, beyond its own collaboration and experience, revisions made by the most prestigious names of our musical tradition; we quote the M° Bruno Rigacci, M° Aldo Rocchi, M° Angelo Coan, the composer Vito Frazzi.

At the beginning of 1960, thanks to the work of the composer Vito Frazzi, the OTOS consolidated some important artistic collaborations with the Accademia Chigiana of Siena (Frazzi was its artistic director at that time), the Maggio Musicale Fiorentino and the Sagra Musicale Umbra, institutions that represented and still represent an important reference for the entire musical culture.

Concerning this long collaboration the OTOS assembled and it is preserving works and critic revisions signed by Maestros of international fame.

It is our pleasure to remind one of them in particular: the "Medea" from Luigi Cherubini, who signed definitely the growth of Maria Callas to the highest lyric stages.

Since its constitution the OTOS worked a lot on the origins of the melodramma in Tuscany recupering works of authors like Jacopo Peri, Giulio Caccini, Claudio Monteverdi, Marco Antonio Cesti and Luigi Cherubini, to face later on themes of the serious and comic Opera of XVIII century. Big care was given to the restoring and to the diffusion of many works of two important Italian composers: Gioacchino Rossini and Gaetano Donizetti of whom, until today, the OTOS distributes all over the world the most rare titles.


We report here below some titles lately performeded

  • L’INGANNO FELICE by Gioacchino Rossini
    Teatro Sperimentale, Spoleto, Italy - Decca of London, UK - Théatre d' Auvergne, France - Teatro la Fenice, Venice, Italy - Centre Lyrique d’Auvergne, Belgium - Théatre de l’Opéra Comique, Paris, France
  • FALSTAFF by Antonio Salieri
    Milan and New York for the Opera Buffa Festival - Tiroler Landes Theater, Innsbruck, Austria - Kioi Hall, Tokyo, Japan - Orchestra of Colours, Atens, Greece - Wolf Trap Opera Company in Vienna, Virginia, USA
  • PETITE MESSE SOLENNELLE by Gioacchino Rossini
    Accademia of Santa Cecilia and Teatro dell'Opera, Rome, Italy
  • STABAT MATER by Tommaso Traetta
    Teatro La Fenice, Venice, Italy
  • MISERERE by Gaetano Donizetti
    Teatro La Fenice, Venice, Italy
  • OLIVO E PASQUALE by Gaetano Donizetti
    Abbaye de Royaumont, Asnières sur Oise, France
  • I PAZZI PER PROGETTO by Gaetano Donizetti
    Teatro Donizetti, Bergamo, Italy - Staatstheater Stuttgart, Germany
  • CRISTOFORO COLOMBO by Gaetano Donizetti
    Filarmonica Romana and Teatro Donizetti of Bergamo, Italy
  • LA CONTADINA ASTUTA by Giovan Battista Pergolesi
    Concert of Telecom, Rome, Italy
  • L’ANTIGONE by Tommaso Traetta
    Concertgebouw Brugge, Belgium - Opera di Salamanca, Spain - Kaaitheater, Bruxelles, Belgium - De Singel, Antwerpen, Belgium - Stadttheater Giessen, Germany
    Teatro Donizetti, Bergamo, Italy
    Théatre La Monnaie, Bruxelles, Belgium - Teatro Poliziano, Montepulciano, Siena, Italy - Opera of Zagabria, Croatia
    First world performance in Tuscany (Italy) for the opening of the international programs dedicated to the small historical Theatres
  • LA SCALA DI SETA by Gioacchino Rossini
    Opera Theater Sidney, Australia


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