anyone know this one ?

http://www.southparkzone.com/episode...isode-III.html ,ne1 know the name of this song that plays right in the beginning of this video before the sp episode starts ? : )

:/ .

Do you mean the happy whistling bit, then its called

"Dancing Outtakes Song" by Garry Schyman (i believe its available on iTtunes)
Note: It might be listed as "Dance Outtakes Song" on iTunes

You can listen to it here http://www.youtube.com/watch?v=tT8jA_pps3o