With respect to the discussion of Aaron Copeland's "The Cat and the
Mouse," here are additional YouTube recordings of interest:
      
    http://www.youtube.com/watch?v=kg_8XvBPYDQ&feature=channel 
    http://www.youtube.com/watch?v=3umUqxHyG3o&feature=channel 
    http://www.youtube.com/watch?v=7BvTZXPDUcI&feature=related 

The first one includes footage of Aaron Copland playing "The Cat and
the Mouse" on what is described as a recording piano.

Del Lohuis