Opera house electronic libretto systems have begun to be used in some opera houses, including New York's Metropolitan Opera, Milan's La Scala, and the Crosby Theatre of The Santa Fe Opera, which provide two lines of text on individual screens attached to the backs of the seats so as to not interfere with the visual aspects of the performance. A subtle type of sound reinforcement called acoustic enhancement is used in some opera houses. Acoustic enhancement systems help give a more even sound in the hall and prevent "dead spots" in the audience seating area by "...augment[ing] a hall's intrinsic acoustic characteristics."
Philadelphia La Scala Opera Company was cut short due to financial reasons. The company's last performance was of Georges Bizet's "Carmen" on April 29, 1954 with Gloria Lane in the title role, David Poleri as Don José, Rutilio del Vecchio as Escamillo, Dora Marasco as Micaëla, and Moresco conducting. In November 1954 the company merged with the Philadelphia Civic Grand Opera Company to form the Philadelphia Grand Opera Company. Philadelphia La Scala Opera Company The Philadelphia La Scala Opera Company (defunct) was an American opera company located in Philadelphia, Pennsylvania that was actively performing at the Academy of Music between 1925 and 1954. In 1955