. . . the battle, in art, essentially, being between the imperial and the empyreal:

the contemplative (Mary's better portion) and the active (Martha's):

a spiritual battle in the soul between the whole Creation & partial goods (greed, lust, pride, anger);

("since the coming of John until now the Kingdom of Heaven has come by violence, and violent men take it by force; but it shall not be so among you. Verily I say unto you, the least of those in the Kingdom of Heaven is greater than John" - Gospel)

the 9 daughters of Mnemosyne (memory) being grandchildren of Zeus;

this is the subtext of July (Julius Caesar to Jubilee).