Prime-time soap Nashville gave the city its brightest national spotlight in years, and no doubt brought new tourists and residents to Davidson County. What was it about? Music, the music industry, family and romance, ostensibly. But when Nashville wrapped up for good this summer, the camera literally turned on itself. The fourth wall was broken. In spite of all the soapy drama, in the last moments of the show, the camera turned to the behind-the-scenes crew — the people who kept the train chugging for six years — who had their turn in the spotlight. ASHLEY SPURGEON