Nashville, Tenn. Music fans think Nashville's pretty great already, but it's improvement to that music infrastructure that's making 2013 a huge year for this town. Nashville is opening its Music City Center this year, combining a huge convention center with a big public space for art and music. The new Omni Nashville Hotel, meanwhile, will be home to the super-sized Country Music Hall of Fame, which will take up several floors of the building. The city's also getting an 18,000-square-foot Johnny Cash Museum, which you'd think would be in his Sun studio stomping grounds in Memphis, and a new home for its Musicians Hall of Fame and Museum. What's that, Cleveland and Seattle? You have music museums too? That's great. Maybe when you put both the Rock and Roll Hall of Fame and Experience Music Project in the same town, you can poise yourselves for some greatness as well.