Henri Matisse was filmed as he was painting. The film shocked him. He said, “I thought each brush stroke was spontaneous, but I rehearse each one in the air before I make it!” and he did, making little unconscious movements of his brush that previewed each brush stroke he was about to make.
I saw this film of Yuma. He is what Matisse thought himself to be. Each of Yuma’s marks is direct and spontaneous. He makes his flourishes after making the mark, as if to celebrate it.
https://youtube.com/shorts/4WhIV3AlnZE?feature=share