Motetus Medieval polyphony in its manuscripts
Piece

Res nova mirabilis Virgo semper Virgo decus castitatis virgo regia

No composer named in the sources used here.

Sources

ManuscriptFolioNo. in the sourceVoicesGenreDateSource
Burgos, Monasterio de Santa MarĂ­a la Real de Las Huelgas, Las Huelgas Codex f. 105v 107 3 double motet c. 1300 source