Going Amateur
From TechDirt -
"Instead of hiring professional concert documentary crews, a growing number of bands are handing the concert documentary process over to their fans, relying on amateur video to generate low-cost promotional material while increasing fan appreciation in the process. The Beastie Boys had some success with this idea recently..."
Of course, this isn't the answer to most video production needs. But it could be for some. Be sure to take note of the need for a patient editor.