I sang!

[KiaKat]

And did so quite well, if I say so myself. Not that you can really hear me in this piece. I sing as part of a smaller group in one of the later pieces, for a few sustained notes.

http://www.youtube.com/watch?v=nJTuv-q8NVs

[KiaKat]

(pssssst: There are more videos uploaded at that link now)