Around minute 10:50 in the Lecture Video for Lecture #5: Cabin in the Sky (1943) with Vanessa Theme Ament and Richard Edwards, https://learn.canvas.net/courses/2206/pages/week-2-monday-an-historical-overview-of-the-second-decade?module_item_id=218041 Dr. Edwards brought up this subject - I believe it was Vincent Minnelli who brought editing into dance numbers to highlight certain moves. I remember something that Fred Astaire once said and emphasized about his own dance routines which is that often editing a routine was a way to "cheat" and that when those close-ups are shot it is not live but