For the artists who are fortunate to have success, eventually their team will grow. That will allow the artist to focus on writing, rehearsing and performing, while their support team handles the business, financial, legal and marketing aspects of their career.Take a look at this great post by our friends over at Tunecore, which outlines the most common team members, and a timeline on when they would usually come on board in a musician's growing career.
http://www.tunecore.com/blog/2016/07/building-your-team-as-you-build-your-career.html/