Listen to the first 30 seconds of this:

[sir pball]

Then speed it up in your head and listen to this:

She's never confirmed it, but it's blindingly obvious; she's literally said "when you learn Bach inversions*, it has the same sort of modulations between the chords. It’s all about tension and release."

*–yes, she meant inversions not inventions…two different musical concepts that are beyond the scope of this post, but she didn't misspeak.

[progressoid]

1. That darn Bach