Here is one of those videos featuring my ProAcs. I do not think it indicates a lot about the system's (not mine) in the room sound quality, but it is fun to watch/hear.
https://youtu.be/6LPhGY5PnMg?si=4_Q8b1bIC1catvvP
My Goodness!
https://www.youtube.com/watch?v=OUCGjupJLzk
Best system demo I have heard through Youtube. Of course, the mic-ing is stellar. Lords know what this system costs. It appears to be mostly Level 6 Audio Note.