Opera house as they sing. This occurs in the Met's productions of operas such as "Aida" and "Tales of Hoffman". London's Royal Opera House, which was remodeled in the late 1990s, retained the original 1858 auditorium at its core, but added completely new backstage and wing spaces as well as an additional performance space and public areas. Much the same happened in the remodeling of Milan's La Scala opera house between 2002 and 2004. Although stage, lighting and other production aspects of opera houses often make use of the latest technology, traditional opera houses have not used sound reinforcement systems with microphones
Loreley (opera) House on 12 July 1907. The first American performance was presented by the Chicago Opera Association at the Auditorium Building in Chicago on 17 January 1919 with Anna Fitziu in the title role. Performances both in Italy and internationally continued well into the 20th century but became increasingly sporadic. It was revived in 1955 for performances at the Baths of Caracalla in Rome, the Teatro Comunale in Reggio Emilia, and the Teatro Grande in Brescia; in 1968 at La Scala; and in 1983 at the Teatro del Giglio in Lucca, Catalani's native city. By the 21st century, "Loreley" had been