Symphonia Armonie Celestium Rev No. 4

Bingen, Hildegard von. Ed. Marianne Richert PfauPublished by Hildegard Publishing, Bryn Mawr, PA. Copyright 1997. Twelve chants in praise of angels, apostles, and others in the celestial hierarchy. Volume 1 (5563200), Volume 2 (5595913), and Volume 3 (5612908) are also available.