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."
La scala di seta La scala di seta La scala di seta (The Silken Ladder or Die seidene Leiter) is an operatic "farsa comica" in one act by Gioachino Rossini to a libretto by Giuseppe Maria Foppa. It was first performed in Venice, Italy, at the Teatro San Moisè on 9 May 1812. The overture has been frequently recorded and continues to be featured in the modern concert repertoire. From 1810 to 1813, the young Rossini composed four Italian "farse", beginning with "La cambiale di matrimonio" ("The Bill of Marriage"), his first opera, and ending with "Il Signor Bruschino". These types of short pieces