Since the background is as important as the subject, you mustn't let it default by chance. You must control not only vertical and horizontal, you must be aware of the depth of field (or lack of it) that you want in the background.
Jay MaiselWe have always wanted to find the 'it-ness' of anything we shoot. We want to get as deep into the subject as we can.
Jay MaiselAs you see something that yo want to shot and it's bearing down on you, it's important to start framing long before the subject gets close to you. The light will reveal itself possibly long before you want to take the image, but you have to wait until the picture comes to you, and if you've been anticipating carefully when the subject will be in position, the background will have been figured out in advance.
Jay MaiselYou find that you have to do many things, more than just lift up the camera and shoot, and so you get involved in it in a very physical way. You may find that the picture you want to do can only be made from a certain place, and you're not there, so you have to physically go there. And that participation may spur you on to work harder on the thing, . . . because in the physical change of position you start seeing a whole different relationship.
Jay Maisel