What is a low-key portrait?
A low-key portrait has tones that are mostly dark. Compare it to a high key image, where most of the tones are lighter than 50% gray. Low-key portraiture replaces a light, airy feel with a more moody, dramatic look.
Lights and camera settings
The background is a piece of black cloth.
The light is a 60w incandescent lightbulb
ISO:3200
f/5.0
Shutter speed: 1/60