There's also the "Goings on about town" section, of which the Classical Music subsection comes first. I've noticed that there are quite a few more opera events mentioned lately. For things going on outside of NYC, there's the "Above & Beyond" section. It says to address all editorial and other correspondence to The New Yorker, 1 World Trade Center, New York, NY 10007 and more information is available on the web site at newyorker.com