And on the other hand, sometimes completely different people have uncanny similarities in their mental nooks and crannies — such as your mental audio track; same thing here (:

I'm reminded of this old thread, about kids on road trips imagining some little figure running/driving alongside, leaping over obstacles (I definitely did the same): https://old.reddit.com/r/DoesAnybodyElse/comments/2te8jz/dae...

I'm sure there are more like that which people just haven't thought to mention to one another.