How to Set-up Your iPod Nano:First Step

Your first step to set-up your iPod Nano 5g is to download the latest version of iTunes. It's free, works on both Mac and PC, and you can find it by going to apple.com/itunes. You can get there the latest version of iTunes which is iTunes 9 that was needed for the latest iPod Nano 5G. If you're new to iTunes, expect to take some time to explore its features and import your media but it's time well spent.

From: cnet.com.au

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The entire world know that iPod Nano was basically an audio player with added features. This post I think will help you enough for you to download more audio files.