Your network is a great asset you can leverage on when building your music career. Identify and reach out to those who can support you at different stages of development can maximize your opportunity of success.
Your network can consist of
1) From School: Classmates, Alumni, Teachers
2) From Work: Co-workers, Clients, Business Professionals
3) From Private: Family Members, Friends
4) The network of all of the above
You can also expand your network by joining networking events. Look for people who have similar interests with you. You might find your life mentors and future partners there!