A 20th century revue, as performed by Ivy Pepper.
The intended horizontal format is here. It’s got some flow that way. Reformatting for tumblr turned out to be a bit awkward.
If anyone’s interested, I’ll add some notes to this post about the dances, art styles and fashions depicted here.
(The 60s are doubled up because they changed so much from one end to the other and I couldn’t decide what to focus on.)