Anton Haizinger heard Haizinger sing in concerts, and offered him an engagement at the theatre; Haizinger gave up teaching. Haizinger's first roles at Theater an der Wien, in 1821, were in two operas by Rossini, as Gianetto in "La gazza ladra" and Lindoro in "L'italiana in Algeri". He soon became well-known in Vienna. The role of Adolar in Weber's opera "Euryanthe", premiered in 1823 at the Theater am Kärntnertor, was created for him, and he was a soloist in the premiere in 1824 of Beethoven's Ninth Symphony at the same theatre. He continued studies with Antonio Salieri. At this time, Italian opera
La nave La nave La nave is an opera in a Prologue and three “Episodes” by Italian composer Italo Montemezzi. Its Italian language libretto was adapted by Tito Ricordi from Gabriele d'Annunzio's 1908 play of the same name. The opera premiered at La Scala in Milan on November 3, 1918, conducted by Tullio Serafin. "La nave" is a work which contains strongly patriotic and imperialistic themes, and fortune seemed to smile on its first performance when, after the conclusions of the first and second episodes, the performance was interrupted by announcements that Italian troops had entered Trento and Trieste respectively, thus signaling