Guitar case close-up at a rally

[evilinstinct]

This was taken at a rally for the War Resisters Support Campaign in Port Dover, Ontario. I wanted to capture a bit of a grass roots feeling. There are plenty of shots of the musician that was attached to this guitar case, but I liked the way this one came out, so I thought I would see what you folks thought of it.

There is some distraction from the parking lot in the background due to me flubbing the aperture a bit (rotating the view to avoid the lot brought into view some picnickers and their kids that were not part of the rally). What suggestions do you have to make this a better composition; both artistically and as a concept shot to tie the musician into the rally?

Canon Digital Rebel XTi, f/10, 1/40sec, ISO100, 30mm, no flash

[case]

i like the composition of the shot. my one critique would be my eye doesn't know whether to focus on the sign or the guitar case, which makes it feel a little cluttered even though i don't think it is. maybe you could blur the background a bit and leave the guitar case in focus? the letters are big enough that you could still read the sign even if it were a little out of focus, but your eyes would be drawn to a single point.