This song just proves the pagan roots that grew in Rome
Mysticism, Geek mythology.. interest a song about the teachings of a goddess mention Mary...
Cardinal Newman, esteemed to sainthood in the Catholic Church, said famously in his “Essay” that much of what is widely accepted as Christian doctrine is in fact borrowed from paganism and recognized as imperfect divine revelation.
Hard to know what your point may be, since your comment doesn't parse, but the Mary in the Dies Irae is Mary Magdalene.