What was your first job? Old Timey Prospector
What is your favorite place to visit? Caprica
What is the name of your favorite Pet? Chewbacca

I store them in an encrypted file since there's no way I could remember that many lies. But if you have enough security questions and answers you should do that anyway, since some of them might change. (Two of the ones above that a previous mortgaged company asked clearly could)

I've been to several concerts, but not a lot. Lots and lots of live shows from smaller artists, though.