If anyone has any clues about the name of this extract; the piece, the composer, or anything, please let me know. Thanks.

http://www.esnips.com/doc/02ef681a-9954-4dfc-8029-6afe9a8caf3e/01---Unknown-Artist---Track-1


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In it’s entirety, this piece lasts for ten to eleven minutes.

I remember that it’s title is not in English, and is two words (or, more accurately, the same word repeated).

It's too hollow to be classical, and too diatonic to be contemporary classical. I suspect it's an incidental piece from a movie's soundtrack.

OK, I’ve found out. It’s a piece written in 1978 by Arvo Pärt, and it’s title is “Spiegel im Spiegel.”