Opera house as wealthy patrons and it continues to have a large number of working opera houses such as Teatro Massimo in Palermo (the biggest in Italy), Teatro di San Carlo in Naples (the world's oldest working opera house) and Teatro La Scala in Milan. In contrast, there was no opera house in London when Henry Purcell was composing and the first opera house in Germany was built in Hamburg in 1678. In the 17th and 18th centuries, opera houses were often financed by rulers, nobles, and wealthy people who used patronage of the arts to endorse their political ambition and social
Fedora (opera) however, operatic tastes had changed, and the opera became performed more sporadically. The 1990s saw a resurgence of interest in "Fedora", with new productions at the Vienna Staatsoper, La Scala, New York's Metropolitan Opera, Chicago Lyric Opera, the Royal Opera House, Covent Garden, the Washington National Opera and the Teatro Colón in Buenos Aires. Notable singers in post-1990 productions include Mirella Freni, Renata Scotto, Agnes Baltsa, Katia Ricciarelli, and Maria Guleghina as Fedora; and Plácido Domingo, José Carreras, and José Cura as Loris. Among "Fedora's" most recent performances are those at the Vienna Staatsoper in 2003, La Scala in 2004,