CNBC's DJ Sixsmith talks with Squawk on the Street co-anchor Carl Quintanilla about the one-hour primetime special "Cities of Success: Nashville," which premieres Wednesday, December 6 at 10pm ET/PT. Quintanilla explains how Nashville went from economy powered by music to a city attracting companies like Amazon, Oracle, Meta, and Nissan. Plus, the two discuss the city's Major League Baseball ambitions, how healthcare became the city's biggest economic driver, and what Nashville is doing to build up its downtown area.