Hope this works. First some info on the man.
Eric Whitacre (born January 2, 1970) is a Grammy-winning American composer and conductor, known for his choral, orchestral and wind ensemble music. He is also known for his "Virtual Choir" projects, bringing individual voices from around the globe together into an online choir.
Now, the instrumental:
http://www.youtube.com/watch?v=4TuMsn270O4
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