Multiple movement composition that combines contrasting dance movements typically all in 1 key is what?

What made this representation of the virgin mary revolutionary

The five possible reasons explaining why art may be created are

Acurious child asked his mother: “mommy, why are some of your hairs turning grey? ” the mother tried to use this occasion to teach her child: “it is because of you, dear. every bad action of yours will turn one of my hairs grey! ” the child replied innocently: “now i know why grandmother has only grey hairs on her head.”