A special edition of "60 Minutes" brings viewers three very different musical portraits including a profile of country music star Blake Shelton, a look at a special project by the Foo Fighters and a visit to the medieval Italian city that gave the world the famed Stradivarius violin. Anderson Cooper, Norah O'Donnell, and Bill Whitaker report. Learn more about your ad choices. Visit megaphone.fm/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.