The movement coordination phenomenon has been replicated in a general sense. I think I was reading some articles a few weeks ago about general movement coordination (body, face, head) being predictive of increased attraction.
There's also stuff like this:
https://phys.org/news/2024-05-movement-strong-togetherness.h...
I'm less sure about the music part. My guess is it's not about groove in particular but something else about music preferences or something, but who knows.