How to simplify complex light condition to singular light in Figure Drawing. (2/2)

This video shows how I complete light side of body on top of simple Yin/Yan structure from previous video (1/2). Willow charcoal Vine Charcoal Charcoal Pencil Stump Kneaded Eraser Strathmoore 70lb paper Real-time 1080p Music: Fluidscape by Kevin MacLeod