The Importance of Networking.

net·work 

/ˈnetˌwərk/

verb

gerund or present participle: networking

interact with other people to exchange information and develop contacts, especially to further one's career. "the skills of networking, bargaining, and negotiation"

In my day job I work as a Software Engineer. In that industry where you rarely stick to a company for longer than 3 years it is important to know as many people as possible. And in a very informal way you trade on favors and friendships I wish I knew this when I was young because it is extremely valuable in music.. Everyone you meet whether you it or not may be able to help you someday. Maybe you will be able to help them and they can owe a favor. Maybe that favor is a desirable gig or the opportunity to play with someone you want to play with.
They say its all in who you know. And that is true but you have it in your power to expand who you know.  This also goes to being nice and professional. If people like you and you are willing to help them. They will help you.
Lets see what the Godfather has to say about it.