Motetus Medieval polyphony in its manuscripts
Piece

O virgo pia

Guillaume Dufay

Sources

ManuscriptFolioVoicesDateSource
Munich, Bayerische Staatsbibliothek, Clm 14274 ff. 131v–132r
choir-book: f.131v-132r
4 1425-1474 (15.2q und 15.3q) source