If I want to take dramatic portraits on a black backdrop (without even needing a single light), a garage is your new go to spot. This is the simplest (and most makeshift looking) setup that I use. As you can see in the image above, all I am using is a pie
Portrait Lighting Setup poster to be helpful. It contains 24 different portrait lighting setups using a variety of lighting gear and lighting patterns. Click the image to see it up large. Also check out some of the further reading.