Motetus Medieval polyphony in its manuscripts
Piece

Kyrie fons bonitatis, pater ingenite Munich, ff. 11v–12r

Piotr of Grudziądz

Sources

ManuscriptFolioVoicesGenreDateSource
Munich, Bayerische Staatsbibliothek, Clm 14274 ff. 11v–12r
choir-book: f.11v-12r
3 mass 1425-1474 (15.2q und 15.3q) source