Motetus Medieval polyphony in its manuscripts
Piece

Or ne sai je que devenir / Puisque d'amer sui desirrans / Kyrie Leyson

No composer named in the sources used here.

Sources

ManuscriptFolioNo. in the sourceDateSource
Montpellier, Bibliothèque interuniversitaire de Montpellier, H 196 ff. 294–295v 267 c. 1300 source