Motetus Medieval polyphony in its manuscripts
Piece

O flos florum

Guillaume Du Fay (RISM: conjectural)

Sources

ManuscriptFolioVoicesDateSource
Munich, Bayerische Staatsbibliothek, Clm 14274 f. 132v
choir-book: f.132v
3 1425-1474 (15.2q und 15.3q) source