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 company's title was shortened to the Philadelphia La Scala Opera Company. Pelosi served as director until his sudden death in a car accident in 1948. He was succeeded by Humbert A. Pelosi who served the company as General Manager and Artistic Director for the rest of its history. Carlo Moresco was the company's primary conductor from 1950-1954. During its history, the PLOC typically presented 12 operas each year at the Academy of Music during its annual season, giving over 350 opera performances at the house by the end of its final season. The company's last season was the 1953-1954 which