⚠️ Archived post. This article is from 2011 and is kept for historical reference. The product or service it describes has since been discontinued or significantly changed, so the steps and links below may no longer work.
I am not sure if you use iTunes as the MP3 player on your PC or Mac, but since my Windows Media Player loss all my MP3 libraries and failed to add new MP3 to it, I start using iTunes, and I am kind of love it over Windows Media Player. You can download iTunes for PC from http://www.apple.com/itunes/download/. The print screen of my iTunes: