and here i went thinking that it maybe was a reference to a viole fabric (copy-paste the whole link):
http://images.google.com/images?;rls=en&
amp;q=voile%20fabric
and maybe something similar to this one:
http://www.bobbydene.com/w32.jpg
was a part of a costume she (the dancer) may have been wearing.
so there still is the "mystery of the frenchness"... or no?