In some ways I agree with this, because it means you also focus on other aspects of life, which is the healthy way that proves you are a good musician. However, I also believe that you don't exactly need to be a high achiever in other areas to define a good musician - I'm sure that Mozart was no David Beckham...

aargh! due to my obviousl incapability to create a poll, i seemed to have merged all the choices into one! if you want to reply, i suggest you can do so on the new poll above this