Artstation - Painting Basics Light and Shadow

Videos are combination of real time and speed up with notes and text commentary.
Here I will share you how I study value (light and shadow) and my past experiences that helped me to improve at this subject.
Contents:
Psd files
JPEG images
Brushes
50 Practice materials
And 4 videos including:
Part 1: Form principle - Explains light and shadow theory (25 minutes)
Part 2: Study process - Explaining process of study briefly (14 minutes)
Part 3: Study demo - Full process and tips on how to study (53 minutes)
Part 4: Final tips - Tips on how to use the practice materials to improve (10 minutes)
Homepage

https://www.artstation.com/marketplace/p/jxOY/painting-basics-light-and-shadow