Found These while surfing in chinese. (of course, we all know its not TRUE song...they are not fighting and their clips are available )
Wuxing
http://www.xingyi-song.com/display.asp?id=203
Shi Qi Xing
http://www.xingyi-song.com/display.asp?id=204
And a linking form
http://www.xingyi-song.com/display.asp?id=202