Its very simple to do >
A. HOST MP3 FILES IN GOOGLE
1. Create a new Google account
2. Go to docs.google.com
Click upload. It should redirect to
http://docs.google.com/DocAction?action=updoc&hl=en
4. Create a folder in your PC where you place all the mp3s
5. Rename Mp3 to PDF ( .pdf)
6. Upload files
7. Copy Download link (File should be available to everyone)
8. Shorten the url > using http://u.nu
B. UPDATE BLOG TO SHOW MP3 PLAYER
Create a blog by just typing http://www.blogspot.com and follow instructions.
1. Embed Odeo mp3 flash player code and put google’s url there
2. Replace Mp3 File address with shortened url.
3. Publish and your are done.