About the correlation between musicians. I don't know if you ever played drums in a band. But there's such a weird coupling between everybody when the rhythm is solid. A few ms off from the drums and everybody in the room will have a hiccup.
https://news.ycombinator.com/item?id=20190615
This is most likely the first and last time this particular fixed point will occur.
How did you notice this? Were you expecting that to happen soon or something?