If you don't know any musicians that do what you want to do then call your nearest music school or go see a local show and talk to people there. I think you will find that artists love to help each other and that you can learn a lot about yourself through it.
Another way you can set a career goal is to think about the people in your desired industry that have accomplished great things and that you look up to. What have the accomplished that you admire? Is that something you would like to accomplish in the future? If yes, what steps can you proactively take to achieve that career goal?