'Insanity': Facts about Nashville's massive Fourth of July fireworks show

'Insanity': Facts about Nashville's massive Fourth of July fireworks show

NASHVILLE, Tenn. (WKRN) — Nashville’s "Let Freedom Sing!" Fourth of July celebration is just one day away. The company behind the display, LaFollette-based "Pyro Shows Inc." has been organizing the Music City show for more than two decades.  Behind the scenes: Crews prepare for Nashville’s Fourth of July fireworks show The Nashville show is their largest annual event and takes them nearly the entire year to prepare for. Naturally, they spar…