Motetus Medieval polyphony in its manuscripts
Piece

Belial vocatur diffusa calliditas

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. 82 81 4 motet c. 1300 source