go to the opryland hotel , its expensive to stay there but you can go and spend the evening there , bars , restaurants , performance artist , tour , etc.
i have a hotel on music row...i went and stayed in nashville on my way to arnold classic this yyear it was great
its not just a hotel man , they have hugs common areas planted like a tropical forest and even have a stream running through it with boat rides. performance artist , water shows , the works.
http://en.wikipedia.org/wiki/Gaylord_Opryland_Resort_&_Convention_Center
don t stay there use it as a evening out