There's a pretty big difference between really cashing in and not having to work a day job. I know several musicians who are full time professionals, but none o

There's a pretty big difference between really cashing in and not having to work a day job. I know several musicians who are full time professionals, but none of them are 'rich'. Even ones with a Grammy hanging on their wall aren't well off like Microsoft's first N employees. The bigger your band also the harder it will be for everyone to make a living (Arcade Fire vs Brian Eno).