This has been answered many times before:-
gary baldy
Thurs 09/03/06
Its by Phillip Glass and its from the soundtrack to the film Koyaanisqatsi.
mikeydred
Thurs 09/03/06
Sample / download here
http://www.songofthesalesman.co.uk/ad.aspx?par tist=Philip%20Glass
gary baldy
Thurs 09/03/06
Havent we been here before mikey?
NUKLEOPATRA
Mon 17/07/06
As Mikeydred says above it is by :-
Philip Glass - Cloudscape - From the Philip Glass / Koyaanisqatsi Album /DVD - (it makes a lot more sense and actually sounds better with the original Visuals)
There is a 2nd DVD also in much the sane Genre - Powaqqatsi .
I was lucky enough to get the 2 DVD's , as a boxed set on Amazon.co.uk
Be Careful though as much of Philip Glass's work (esp. earlier ) is not as melodic as these 2 .
Regards NUKLEOPATRA