Does any1 have or no how to get "back in the day"- instrumental by Christina Aguilera?

I have the just not the intrumental and if u no where to get scores from i would be sooo sooo gratful its for my yr 11 thing

try here-
http://www.ameritz.co.uk/
http://www.soundclick.com/genres/charts....
http://music.download.com/2001-8498_32-0...