Side Bar: Things Change! Lately I've been thinking of some of my teachers from college, 1970's era. The ones who told me to be flexible and open minded about the business of theater and entertainment.
The music business is not the same as when we started, but it is as well. The business part has changed.
It's still about connections but we used to have " people" who did that. A manager,agent,publicist, photographer and so on. Now most bands manage themselves, book themselves and promote themselves.
By the way, kind of easier when you're younger. I'm not so good sleeping in a car or van these days.
So embrace the era you're in young artists but don't be surprised if it changes and be ready to change with it.