Well, I think basically they just continue making.
I think there is no end until they basically pass away or have illness. maybe some reason they cannot do anymore.
But most of directors or painters or musicians, they continue.
A lot of the artists, I think, it is a part of the life.
And they stop doing what they like, because they might die or get sick or.
So, many directors, they die during directing movie or couldn't finish movie until the end, or somebody else have to finish.
Same thing with conductors, sometimes you know, they are conducting piece and they die.
So I think probably they do it until the end of their life.