Well, I'm sitting at home today recovering from attempting to make a dent in my "to-do-list" that mrs. ed always has handy and near by. I found this fun site http://thebluesmaker.com/, that lets you make a blues song by selecting lyrics and harmonica riffs. Good for a few minutes of fun.
Here's the one I did - http://lifeasamusical.tumblr.com/post/2684987971/this-is-a-fun-little-diversion-the-site