Painting From Life vs. From Photos
For a painting that develops over several days, it is helpful to work with explicit painting layers. The first layer may be an underdrawing. Then comes an underpainting, and finally, an overpainting. I like to think of the underpainting as a base-rhythm in music, and the over-painting as a solo played over this.
I still do not understand why the berries had to be painted in one day