What should I wear to an opera that I'm attending at the capitol?

I will be attending an opera soon in the D.C. area. What is the appropriate attire for a female to wear?

What should I wear to an opera that I'm attending at the capitol?windows mail

something along these lines black, and classy

kinda like this:

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have a wonderful time!

What should I wear to an opera that I'm attending at the capitol?microsoft maps internet explorer

A long black or dark colored gown with a cape , stole or shawl for your shoulders subdued colors are classic and elegant for the opera. have a wonderful time
shes right