What should I call this?

One of the hardest parts of art-making, for me, is coming up with a good title. Sometimes, the theme or content makes it easy for me, e.g. Romeo & Juliet, but other times I have writer's block. With an abstract collage, like the one I just finished, I'm almost always at a loss. Therefore, I'm turning it over to you for suggestions. I just finished this new collage (its 12"x36" if the dimensions matter to you) and I need your creativity in coming up with a title!

"Panes" (2009) 12"x36".

(click to enlarge)