How could I forget?

In the "Patchwork and Performances" post I wrote about Zach's many contributions to the music evening.  How could I forget that he played the piano as well?!?!  Thanks to Steffi, who showed her support by coming to the performance, we have video footage.  Here is the link:  http://www.youtube.com/watch?v=JYK0NxdGHTI&feature=g-upl