You know, sometimes you think a painting is finished and it just doesn't quite get there. After looking at this piece for some time, and visiting with an artist friend of mine, I revisited "Shadows and Strings."
First, this is where I left off:
And this is really the final work. I added the creases and shadows in the back of the vest.
Once more, I have to remind myself about values! It became quite obvious when I looked at the graphite drawing of the same image, and saw the values in the vest. Back to basics, again.