Even if you're improvising, the fact that beforehand you know certain things will work helps you make those improvisations successful. It really helps to have a certain amount of knowledge about musical structure.
The Confederations Cup is interesting. It served Spain very well to take part and then go on to win the 2010 World Cup. We knew the stadiums, the atmosphere, the conditions and also the difficulties of a tournament which simulated the World Cup format.
As a teenager, even as a younger girl, I had some depression but no one really noticed that it was depression nor did I know in those days that that's what it was but I did feel different from other people.

