BroadwayHD has a library of about 300 productions on hand. It’ll give you a seven-day free trial, so you can stream as many shows, plays, and ballets as your musically deprived heart desires.
Lincoln Center Livestreams: From dance to music, film, opera, and theater, Licon Center has made its archive of performances free to the public. They have also made available artist talks.
Met launches “Nightly Met Opera Streams,” a free series of encore Live in HD presentations streamed on the company website during the coronavirus closure
Metropolitan Museum of Art: Though the Met Gala was canceled this year, you can still have a peek at The Costume Institute Conversation Lab, which is one of the institution's 26 online exhibits.
MoMA (The Museum of Modern Art): New York's extensive collection is available for view online.
NPR Music is compiling a list of live audio and video streams from around the world, categorized by date and genre, with links out to streaming platforms such as Facebook, Instagram, and YouTube. Some will require registration or a subscription, but most will be free, often with digital tip jars and opportunities to directly support artists by buying music and merchandise.
Solomon R. Guggenheim Museum: The works of Pablo Picasso, Piet Mondrian, Jeff Koons, and Franz Marc are just some of the 625 artists whose work is a part of the Guggenheim's collection online.