Metropolitan Opera travel guide

Wikipedia says:

The Metropolitan Opera Association of New York City, founded in April 1880, is a major presenter of all types of opera including Grand Opera. The Metropolitan is America's largest classical music organization, and annually presents some 240 opera performances. The home of the company, the Metropolitan Opera House is one of the premier opera stages in the world. The Met, as it is commonly called, is one of the twelve resident organizations at Lincoln Center for the Performing Arts. (...) » more