The Prague Chamber Choir is a Czech choir founded in Prague in 1990 by singers of the Prague Philharmonic Choir.
It has performed concerts in Australia, Brazil, Israel, Japan, Lebanon and many European countries.
From Wikipedia (https://en.wikipedia.org/wiki/Prague_Chamber_Choir) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)