I knew by the people who were involved, the machine behind...

I knew by the people who were involved, the machine behind it, that this was going to be something. Where we are today, it's kind of unbelievable to think about, that in a year we'd have two No. 1 hits, been No. 1 in 11 countries. But that's why I signed on to the project, because I felt it was going to be big; I just didn't know how big.