Opera The HD video opera transmissions are presented via the same HD digital cinema projectors used for major Hollywood films. European opera houses and festivals including the Royal Opera in London, La Scala in Milan, the Salzburg Festival, La Fenice in Venice, and the Maggio Musicale in Florence have also transmitted their productions to theaters in cities around the world since 2006, including 90 cities in the U.S. The emergence of the Internet has also affected the way in which audiences consume opera. In 2009 the British Glyndebourne Festival Opera offered for the first time an online digital video download of
La Scala a memorable concert conducted by Arturo Toscanini—twice La Scala's principal conductor and an associate of the composers Giuseppe Verdi and Giacomo Puccini—with a soprano solo by Renata Tebaldi, which created a sensation. La Scala hosted the first productions of many famous operas, and had a special relationship with Verdi. For several years, however, Verdi did not allow his work to be played here, as some of his music had been modified (he said "corrupted") by the orchestra. This dispute originated in a disagreement over the production of his "Giovanna d'Arco" in 1845; however the composer later conducted his "Requiem" there