Turns out it was a marching band competition, not sure what for, I saw a sign saying 'willow festival', pretty sure this was set to go for a few hours based on the lines of marching bands in the back streets, meanwhile traffic was out of luck.
Camera Details: Canon, Canon PowerShot S90 Settings: 1/200 at f/8, ISO 80, 6 mm Date: 05 May 2010 Time: 13:00:17