I think the inclusion of sunglasses really makes a difference in this picture, the shape created by the glasses fit's well with the contours of the mans face, and help create a fairly artistic looking piece. I like how the face has been quite harshly lit on one side creating a contrast towards a dark shadow on the opposite side. This is a clear example of low-key lighting. When looking at the composition I feel it suits this image well, as the man's face is suited to being a focal point. But when undertaking my own portrait shots I may chose to include more of the torsoe, and believe the use of props can liven up any image, and help to create the artistic look I'm aiming for.