He literally explained Cholita to me, without using her name.
I’d certainly like to hear that explanation!
He used to emphasize the first movement being a thrust of the shoulders down, curving the back suddenly, to produce a jolt that went through the body.
That was mentioned, I think in Sustained Action’s notes section. I’ll see if I can find the reference, and put any further details into this comment.
Edit: I put it HERE