walk-on pianos

 
This staircase in Stockholm was featured on the news before Christmas, but in case you haven't seen it:

It reminded me of the piano scene in Big, so I went looking for the clip and along the way I came across the following short film in which the man who invented the walk-on piano talks about  his career and some of the things that have inspired him:

And just in case you've never seen Big, you can watch a not-very-good print of the piano scene at: 

http://www.youtube.com/watch?v=KosJK_ZMMu0