When I was little we watched the Music Man just about weekly. My dad loves musicals. One scene I felt was over-the-top, even as a seven-year-old, was this bit where they were all doing a Grecian urn dance.
"One Grecian Uuuuurns," a large-older female dance instructor screeches in a silly voice while other portly ladies danced like, I guess... Grecian urns.
For some reason, the drapping probably, this dress reminds me of a Greek goddess, which reminds me of Grecian urns.
The shopkeeper said she got it from a woman who designed costumes and it's probably from the late 1970's. I forgot to take pictures of the back, which is so beautiful, so here's a crappy shot using my computer's camera.
Ok, I'm off to an art exhibit opening.