I just got a call one day from Ringo asking me if I wanted to go out on the tour. It was as simple as that. He was putting together this band and he heard of me in the context of doing this and he gave me a call. I jumped at the chance.
Do what you love; you'll be better at it. It sounds pretty simple, but you'd be surprised how many people don't get this one right away.
In the financial system we have today, with less risk concentrated in banks, the probability of systemic financial crises may be lower than in traditional bank-centered financial systems.