"Topping the list is Nashville. Its concentration of music, musicians, and recording and music publishing businesses is nothing short of astounding — America’s one-time capital of country music is now its music leader across the board, and the home base of superstars from Taylor Swift to Jack White and his Third Man Studios..." - Richard Florida
Very cool article supporting what most of us in the Nashville Music Industry already know to be truth. Glad to see that we can further cement the title "Music City" with this research.
Other cities are listed below. Be sure to read the whole article as the methodology is quite interesting.