Inside piano. Weird new way to play...

When we think we already saw all weird piano playing ways, we found this :

http://sarahnicolls.com/why-my-piano-is-special/

The only interesting thing in this video it's the "pendulum playing" (near the end of video) and the the soundboard facing the player (a couple minutes before) :

http://sarahnicolls.com/moments/

I just wonder, mere curiosity, if the "pendulum playing" effect would be something dificult to emulate as a room effect for digital pianos.