Motetus Medieval polyphony in its manuscripts
Piece

Amen et cum spiritu tuo

No composer named in the sources used here.

Sources

ManuscriptFolioVoicesDateSource
Munich, Bayerische Staatsbibliothek, Clm 14274 ff. 95v–96r
choir-book: f.95v-96r
3 1425-1474 (15.2q und 15.3q) source