This answer is honestly completely opinionated. For me, I think music is the closest thing we have to mind control. It can make you happy when you aren’t, or vice versa. It can make you do inexplicable dance moves that are just lovely. But this is a question completely up to you.
Artwork?
If you mean like what it is they make, it is their Artwork
D. Additive, because you are adding and shaping the clay
Answer:
they do predict a moment in time!