Cum erubuerint

Whose song is Cum erubuerint?

Artist Album
AA.VV.
Musica del Medioevo
Ars Choralis
In Festis Beatae Mariae Virginis - Marienvesper
Hildegard von Bingen
Feminea Forma Maria
O Jerusalem (Barbara Thornton, Sequentia) [CD 2-2]
Hildegard Von Bingen - Sequentia
O Jerusalem