'Pope from 590 to 604, he collected many of the chants used in the mass'
Pope Gregory I
MASS: Pope from 590 to 604, he collected many of the chants used in the mass
Pope from 590 to 604, he collected many of the chants used in the mass
Pope from 590 to 604, he collected many of the chants used in the mass
MASS
Pope Gregory I
MASS