Thanks for checkin it out Chili, MS, Sabbath (good to see ya back), Tim, Chris, Kev, Gerry, Riff, Benji, Greg, Marcia, Cindy, Bobby, Peter, Jan and George Glass.:D
It's called "Rubato", and it literally means "to rob". You rob time from one part and give it to another part.
Osmosis. I guess...