It's just what it sounds like, you crazy baby:
What does this tell us? Blogger Jamieson Cox does the hard work of probing this epic supercut and comes up with on-point observations about pop:
This video might be the purest representation of the sea change in American pop that occurred in the mid-to-late 2000s, namely the industry’s whole-hearted embrace of Eurohouse thump and skronkier production. The arrangements Britney used at the start of her career sound absolutely primitive compared to the adventurous electro of Femme Fatale; of course, that shift coincided with her transformation into a pure producer plaything.