You have got to have an agent. It's a business. But I think there is a way to be artful and commercial at the same time.
I didn't grasp the basic principle of being a promoter, which was: Put on music but also generate an income. I was on the dole most of the time.
With my first pay cheque I sent my parents to Jamaica, so they actually got passports! They're pretty grounded; it wasn't until they saw the trailer for 'Battleship' that they were like, 'Ooh, this is a big movie, isn't it?'

