Okay, what follows is a love letter to Akira Kurosawa, quite possibly the finest master of composition.
First up is Sanjuro. In this picture you'll see how well he sets up this group shot, and how easily it conveys a sense of tension in the room as the young samurai are divided about what to do with Sanjuro. It looks so deceptively simple but there are nine people in this shot, and yet it doesn't feel anything like a line-up or crammed. All the eyes are lined up on the upper third, it's got surprising depth with at least 3 layers and your eye is drawn to the centre with the triangle of the 2 leaders of the disagreeing subgroups facing each other with the host and trying arbitrator between them.

Sanjuro has lots of superb group compositions.




Still Sanjuro, and this shot demonstrates how well and subtely Kurosawa is able to frame subjects in the shot. One is framed sitting on a raised platform against the wall, the other against the doorway, with Sanjuro himself against a split pattern on the wall (body in white, head against grey). Also, due to the subject placement and the telephoto lens, Sanjuro looms large and powerful over the other two despite being seated, unarmed (his sword is in frame as well) and captured.

Further, Kurosawa wasn't a frequent use of the extreme close-up but when he did use it, it became extremely powerful.

I'll do more from his other movies (if people like this sort of thing).