Aww, thanks. So you know a Mii is a little person that you make using the Wii. They don't have a lot of use now but in the future you'll be able to use them in games and whatnot.
You can see what its like to make them here
Thats quite the list of songs he can pull from, although I am somewhat sad that he has stated that he will never play Fearless live. His reasons are all valid but that doesn't make it suck any less.
Looks like this will be a very good tour.