How to Convert mp3's to ".aac" (for Nintendo DSi Music)

Please rate 5/5 stars if you can.
Here's the Link for iTunes. http://www.apple.com/itunes/download/

Here is how to make your previously-useless Nintendo DSi sound editor application useful!
Just follow the steps in the video. I tried as hard as I could to make it easy to understand for everyone.
I hope it helps. I got my DSi today from Amazon, by the way. Thank the stars for its free and fast shipping.

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