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
Philadelphia La Scala Opera Company the 1925-1926 season including Gaetano Donizetti's "Lucia di Lammermoor" (with Rosalinda Rudko-Morini in the title role, Giuseppe Reschiglian as Edgardo, and Emanuel Nugnez as Enrico), Giuseppe Verdi's "Aida" (with Alice Eversman in the title role and Bernardo de Muro as Radames), Verdi's "Rigoletto", "Cavalleria rusticana" (with Emilia Vergeri as Santuzza), and "Pagliacci" (with Nicola Zerola as Canio) among others. After its first season, Francesco Pelosi was appointed General Manager and Artistic Director of the company in 1926. For the second season the company was renamed the Philadelphia La Scala Grand Opera Company which it performed under until 1938 when the