My favorite cinematography tips are the simple kind because whether I'm on the job or making a short film, we are normally 1) short on time 2) short on manpower 3) short on equipment. So, anytime I can improve my shots and add style in fast and easy ways, I'm going to take notice.
Here are three highly stylized looks using only one light. Yes, they are often used in music videos as the title says, but you should flex that imagination and use them for any application that fits.