You may take the exact same shot multiple times, but varying the angle and degree of lighting on the subject can create a drastically different mood for each shot.
Rembrandt Biography, Art, Paintings, Self-Portraits, & Facts
NO FAIL Light Setup to Make EVERYONE Look Good - Photography Blog
Pin on Photography - lighting diagrams etc
The Portrait Photographer: Key Light and Fill Light for Portraits
How To Use iPhone Portrait Mode To Shoot Stunning Portrait Photos
Getting Started with One-Light Low-Key Portraits
Weddings - Wedding Photography - How to achieve amazing images
How to Use a Key Light for Extraordinary Portrait Photos
Portraits 1 Mid key lighting
Captivating Artistic High Key Photography
Key Light In Photography: Mastering the Main Light Source
Strobist: Godox AD200: An Amazing Flash—
If You Tweak it a Little
What is a Fill Light? (How to Use it for Portrait Lighting)
How To Use iPhone Portrait Mode To Shoot Stunning Portrait Photos