It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.
Even when my parents were together, they both had to travel and work, and it wasn't like they had nine-to-five jobs. In that way, it wasn't a normal family life.
For me, with the Blue Man Group, I got asked. It was for the Royal Variety Show, which was something I always wanted to be a part of. I'm really interested in things people don't necessarily expect. I did a pop song, but I did it in my own style.