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
Academy of Music (New York City) role and Giuseppe Mario as Pollione headlining the performance under Max Maretzek's baton. The first season's repertoire was ambitious, and included "Semiramide" and "The Barber of Seville" by Rossini; "Norma" and "La Sonnambula" by Bellini; and "Don Pasquale", "Lucrezia Borgia", "La Favorita" and "Lucia di Lammermoor" by Donizetti. Maretzek's company performed an annual season at the Academy through 1878. His company was not the only group active at the opera house as the theater during this time. Musicologist George Whitney Martin writes: New York's Academy of Music, from 1854 to 1883 the city's leading house for opera, did not offer