Rauner 003203 Folio 078v Chant 3 Gaudent in caelis
"Gaudent in caelis," the antiphon before the Magnificat canticle from the office of Second Vespers, Common of Several Martyrs
Gaudent in celis anime sanctorum qui christi vestigia sunt secuti et quia pro eius amore sanguine suum fuderunt ideo cum christo exultant sine fine | ~Magnificat