Custodi
eos qui carcerati sunt ab inimico,
et solve ligatos quos divina vis
salvare vult.
(Guard all those who have been imprisoned by the Enemy,
and release the fettered whom Divine Power wishes to save)
from O ignis spiritus, written by Abbess
Hildegard of Bingen
Found on the album "A Feather on the Breath of God", performed by
Gothic Voices
as featured on the TBAA ep of the same name
Nor Iron Bars a Cage
by Jenni