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
Stefano La Colla the greatest European opera houses such as: Hamburg, Berlin, Munich, Amsterdam, Oslo, Dresden and Vienna. In Italy he has performed several times at La Scala de Milan, Rome, Naples and Verona. 2014 2015 2016 2017 Stefano La Colla Stefano La Colla is an Italian tenor who has given recitals and performed in opera internationally. He was born in Turin, but he is native from Alcamo, where he lived from 12 until he was 23; he started his studies at the Conservatorio Pietro Mascagni in Livorno and trained under the guide of the soprano Luciana Serra and later with the baritone