A little late to the game, but I have been struggling with some blog configuration issues that were preventing me from posting, and have finally found time to tackle those.
I gave two talks at VS Live! San Francisco.
Here are the slides and demos:
To create the database for the music data demos, you have two choices.
1) Follow the instructions in this post to create your own music library database based on your own collection:
2) Download a database backup (29MB) from here: http://www.softinsight.com/downloads/MusicLibrary.bak and restore it.