Contacting them is going to give you the best info.
I took a large group on their tour last year and it was lovely. However, as with any tour that will depend on your guide.
They show you quite a bit, but it varies as to what is going on in each if the spaces.
We saw the opera house, the Vivian Beaumont and one of the concert halls.
If you go on their website you should get all the info you need
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