God Knows English For IPod?

Ok i have been looking for God Knows From the show Melancholy of Haruhi Suzumiya and i cant find it. I cant even find it in Japanese or English ( hoping for English ) I really like that song so can someone tell me where i can find it to download or buy, or you can tell me name of the artist because i searched god know on itunes and alot pop up an not one is it ( Not true i did not try all i just try most of them ) So please help if you do i will give you a hug or a cookie >.> ( MY COOKie ) thanks for your help