Just trying out a couple of different ways to share mp3 files on the blog. I set up an online web hosting storage account through 4shared.com that allows audio to be embedded in Blogger.

Here are some basic instructions with a variety of online web hosting sites listed:
http://tips-for-new-bloggers.blogspot.com/2007/02/add-music-to-blogspot-blog.html

also check out:
http://help.blogger.com/bin/answer.py?hl=en&answer=80259

test post
Audacity test.mp3