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
City Opera House (Traverse City, Michigan) City Opera House provided a 1200-seat performance space for traveling artists as well as a perfect setting for formal balls, such as an Installation Ball held in 1892. In 1920, a local movie house leased the building and shuttered it to eliminate competition. it was leased through the 1940s, and remained closed until 1985. In 1978, work began to raise money for restoration. In 1980, the owners gave the structure to the city, and restoration work began in 1985. In 2005, the bulk of a 30-year and 8.5 million dollar restoration was completed. The City Opera House is a square,