If anyone can find a video of this amazing thing please post a link.

There are a couple ones on youtube, one:

https://www.youtube.com/watch?v=CPTZ3GW_00k

this is more like a slideshow:

https://www.youtube.com/watch?v=OA06b15_AMc

Hey just wanted to say a late thank you for the links!

No sound insulation, probably loud.