How do I add sound to my animation?

I have a half done animation of a stick figure dancing the Gangnam style but I can’t figure out how to add sound to it.

Attachments

stickfigure-gangnam_style.blend (830 KB)

Please Answer I need help

So easy.
Up at the top where it says model change it ti sequence. In that window at the bottom click add and select sound. look for you audio file, mpg and wav and I do not know what others. Then you find the render window button/ the little camera icon, there under encoding select a audio codec. And your good to go.
There are settings in sequence window to cut and control volume and stuff.
I found this very basic tutorial.
http://www.youtube.com/watch?v=F1HcpDhdeLM

Thank you kazinger