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."
Cotaco Opera House the Cotaco Opera House Company, which was incorporated on September 16, 1889. Cotaco Opera House The Cotaco Opera House, also known as Masonic Building, was the first opera house constructed in the state of Alabama. It is located at 115 Johnston Street in historic downtown Decatur, Alabama. In 1889, the city of Decatur was the largest city in North Alabama, out-sizing Huntsville. It had become increasingly apparent that the city was in need of a theater to showcase its fine arts. The Opera House was built on a 100 by 140 foot site that ran south from Johnston Street and