Creating lighting styles is a lot like cooking. You start with an idea of what you want and season to taste, adding what you need as you go. Each step taken on the path to achieving the look you’ve visualized is a series of building blocks with an eventual whole that’s greater than the sum of its parts. Readers of this column know I’m a big fan of working with one light, but there are times when additional lights are called for. This month, I turn up the heat and show you what’s possible with four lights.