La Scala La Scala Theatre Orchestra. The theatre also has an associate school, known as the La Scala Theatre Academy (), which offers professional training in music, dance, stage craft and stage management. La Scala's season opens on 7 December, Saint Ambrose's Day, the feast day of Milan's patron saint. All performances must end before midnight, and long operas start earlier in the evening when necessary. The Museo Teatrale alla Scala (La Scala Theatre Museum), accessible from the theatre's foyer and a part of the house, contains a collection of paintings, drafts, statues, costumes, and other documents regarding La Scala's and opera
Metropolitan Opera House (Lincoln Center) premieres of operas, including John Corigliano's "The Ghosts of Versailles", Phillip Glass's "The Voyage" and the US premiere of Nico Muhly's "Two Boys" in 2013. When the Metropolitan Opera is on hiatus, the Opera House is home to the annual Spring season of American Ballet Theatre (ABT). It regularly hosts touring opera and ballet companies including the Kirov, Bolshoi, and the La Scala companies. In addition, the Met has presented recitals by Vladimir Horowitz, Renée Fleming, Kathleen Battle and others. Philip Glass's "Einstein on the Beach" was staged independently at the Met in 1976. Concerts by Barbra Streisand, The Who,