New York’s Metropolitan opera offers free streaming events for general audiences and for students. “During this extraordinary and difficult time, the Met hopes to brighten the lives of our audience members even while our stage is dark.” Encore presentations from the Live in HD series are available free of charge for 23 hours, from 7:30 p.m. EDT until 6:30 p.m. the following day. The streams are also available through the Met Opera on Demand apps. For more information. Listeners will need to click on the menu option at the top left of the page then select On Demand. Free Student streams, curated by young opera lovers and offered weekly, are here.