You can’t miss Giancarlo and Shirley Guerrero in a crowd. They are gorgeous, warm, and effusive. They have embraced Nashville – and Nashville loves them right back. Giancarlo, a six-time Grammy-Award-winning conductor, is now in his 11th season as Music Director of the Nashville Symphony. (He also serves as Music Director of the Wrocław Philharmonic in Poland and Principal Guest Conductor of the Gulbenkian Orchestra …