Some info about POLISH
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MUSIC
Bogurodzica , in English known as the Mother of God, is a medieval Roman Catholic hymn composed sometime between the 10th and 13th centuries in Poland. It is believed to be the oldest religious hymn or patriotic anthem in the Polish language,[1] which was traditionally sung in Old Polish with the Greek phrase Kyrie eleison – "Lord, have mercy". While its origin is not entirely clear, several scholars agree that Saint Adalbert of Prague is the likely author.[2] Polish knights chanted Bogurodzica prior to their engagement at the Battle of Grunwald[3] and it also accompanied the coronation ceremonies of the first Jagiellonian kings.
Wikipedia contributors, "Bogurodzica," Wikipedia, The Free Encyclopedia,
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