|Friedrich Gulda (rt) with free jazz icon Cecil Taylor (left)|
Anyways here is a great animated flash analysis of the Waldstein 1st movement by José Rodríguez Alvira. In fact his site is a treasure trove of animated musical goodies including Sonata Op. 49, No. 2 and some very cool Bach fugues.
Teoria : Music Theory Web
Here's a video capture as a preview, but go to the link above for a much better looking animation.