Milan is a major nation-wide and international centre of the performing arts, most notably opera. Milan hosts La Scala operahouse, considered one of the most prestigious operahouses in the world, and throughout history has hosted the premieres of numerous operas, such as Nabucco by Giuseppe Verdi in 1842, La Gioconda by Amilcare Ponchielli, Madama Butterfly by Giacomo Puccini in 1904, Turandot by Giacomo Puccini in 1926, and more recently Teneke, by Fabio Vacchi in 2007. Other major theatres in Milan include the Teatro degli Arcimboldi, Teatro Dal Verme, Teatro Lirico and formerly the Teatro Regio Ducal. The city also has a renowned symphony orchestra and musical conservatory, and has been, throughout history, a major centre for musical composition: numerous famous composers and musicians such as Gioseppe Caimo, Simon Boyleau, Hoste da Reggio, Verdi, Giulio Gatti-Casazza, Paolo Cherici and Alice Edun are or were from, or call or called Milan their home. The city has also formed numerous modern ensembles and bands, such as the Dynamis Ensemble, Stormy Six and the Camerata Mediolanense have been formed