
The 2025-26 season brings William Le Sage back to the Opéra National de Nancy-Lorraine to conduct Busoni's Turandot, accompanied by magnificent illustrations and live animations by Amandine Meyer and Julia Dantonnet. He will also make his debut with the Orchestre la belle image in Epinal, in a festive New Year's program with soloists Marianne Croux, soprano, and Igor Bouin, baritone.
During the previous season, he conducted the Orchestre National de Cannes in Peter and the Wolf and the Opéra National de Lorraine orchestra in Hans Krása's Brundibár, staged by Pénélope Driant and Suzie Baret-Fabry. He also returned to the Opéra Orchestre National Montpellier for several concerts, including Cimarosa's Il maestro di Cappella, a rarity in France, with baritone Bruno Taddia, and a symphonic concert in Millau with a program featuring Stravinsky, Mozart, Sibelius, and Ruth Crawford Seeger.
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William Le Sage firmly believes that music, in all its forms, is a popular art to which everyone should have access. He will never stop defending this vision and continually put it in practice in past seasons, especially while assistant conductor of the Opéra National de Lorraine. The numerous performances that he conducted there were warmly received, such as the Halloween concert in 2023 with choir and orchestra, the final round of the Mirecourt International Violin Competition, a film concert of Charlie Chaplin’s The Circus, Le Festin de l’Araignée by Albert Roussel with live illustrations by Amandine Meyer, and the collaborative shows Où allez-vous comme ça? and Violetta-s.​ At the opera, William has worked on productions of Cherubini's Médée, Idomeneo, Don Pasquale, Kurt Weill's Der Silbersee, Les Capulet et les Montaigu, L'Amour des trois oranges, Il Barbiere di Siviglia, Tristan und Isolde, Iphigénie en Tauride, Paderewski's Manru, La Traviata, La Clemenza di Tito, Haydn's Il Mondo della Luna, Talestri, regina della Amazoni by Maria-Antonia Walpurgis, and the premiere of Les Incrédules by Florent Hubert and Antonin-Tri Hoang, alongside conductors such as Marie Jacquot, Giulio Cilona, Jakob Lehmann, Marta GardoliÅ„ska, Leo Hussain, Ramón Tebar, Gaetano Lo Coco, Tito Ceccherini, and Jean-Marie Zeitouni. He has also been invited on several occasions to conduct the Orchestre National Montpellier Occitanie, the Orchestre National de Cannes, the Orchestre Pasdeloup, the Orchestre National d'Île-de-France, and the Ensemble Court-circuit, and has worked as assistant conductor with the Orchestre National de France, the Orchestre National de Lyon, and the Orchestre National de Lille under Enrique Mazzola, Alexandre Bloch, and Leonard Slatkin.
​​​William Le Sage obtained two master’s degrees from the Conservatoire National Supérieur de Musique et de Danse de Paris in orchestral conducting (class of Alain Altinoglu and Alexandre Piquion) and style composition, and has certificates in analysis and orchestration. A strong proponent of musical exchange and collaboration, he has participated in several international exchanges. In 2018, he was selected to participate in the Donatella Flick-London Symphony Orchestra conducting competition. From 2017 to 2018, he studied at the Eastman School of Music in Rochester, New York. In 2016, he had the opportunity to work with the young musicians of the Simon Bolivar foundation in Caracas, Venezuela.
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Insatiably curious and eager to share his experiences and ideas, William Le Sage is also a composer and arranger of several works, notably those intended for pedagogical use, one of the many manifestations of his desire to make music more accessible to a wider audience. He is also the musical director of La Sirène de Paris, a concert band, and conducts the DEMOS-Pasdeloup kids orchestra in Saint-Quentin-en-Yvelines.
