Presented in its original form, is the introit for Christmas, "Puer Natus Est" as found in a Franciscan Manuscript, dating to c. 1300, Fribourg (Freiburg).
You can view the original here: [ Ссылка ]
This edition was edited to make the text more legible, although it has retained its original character and no alterations have been made to the music. A PDF of this magnificent manuscript, edited for legibility with modern singers in mind, can be found here: [ Ссылка ]
Sung by James J. Richardson as a practice aid for choirs singing from this manuscript.
![](https://i.ytimg.com/vi/E4Lu2XSmfOI/maxresdefault.jpg)