NY Times free newsletters
Daily news and features in your inbox. Especially helpful: the coronoavirus newsletter. Your email program might need to train itself to recognize these as legit; at first they may appear in your junk mail folder, so be checking after you sign up.
https://www.nytimes.com/newsletters
Collins Center: performing arts listings
One of the best ways to know what available both from local musicians/performers and nationally, your trusty local Collins Center for the Arts maintains a terrific list.
https://www.collinscenterforthearts.com/