Why would there be a laser beam projecting over a concert audience?
I just got back from a Tom Petty concert in Cuyahoga Falls, Ohio. Throughout the entire concert, there was a fine, red laser beam projecting from the top of the stage over the crowd. It did not project onto anything, but instead the beam disappeared into the darkness (it was an outdoor event). It was obviously not part of the light show. What could the purpose of this have been?
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