Opera semiseria opera seria and opera semiseria. Opera semiseria Opera semiseria ('semi-serious opera') is an Italian genre of opera, popular in the early and middle 19th century. Related to the opera buffa, opera semiseria contains elements of comedy but also of pathos, sometimes with a pastoral setting. It can usually be distinguished from tragic operas or melodramas by the presence of a basso buffo. One of the better-known examples is Gaetano Donizetti's "Linda di Chamounix". Another example is Gioacchino Rossini's "La gazza ladra". Vincenzo Bellini's "La sonnambula" has all the characteristics of the genre except the presence of the required basso buffo
La Scala citing "hostility" from staff members. In May 2005, Stéphane Lissner, formerly head of the Aix-en-Provence Festival, was appointed General Manager and Artistic Director of La Scala, becoming the first non-Italian in its history to hold the office. On 15 May 2006, Daniel Barenboim was named "Maestro Scaligero", or "de facto" principal guest conductor, of the company. In October 2011, Barenboim was appointed the next music director of La Scala, effective December 2011, with an initial contract of 5 years. In December 2013, management named Riccardo Chailly the next music director of La Scala, effective 1 January 2015. Stéphane Lissner left