First of all the music industry ain't for everybody. But you can make a few dollars from it if you in the know and know what your doing. Actually u can make some racks from doing shows regionally if you popping(independently). Or even if you a producer or engineer you can make more money than the artists. All in all the music industry is full of snakes and leeches and you have to invest in yourself and you have to be marketable. I have connects in the industry as well and it aint what everybody think it is thats why i fell back from it.
Like ohno said you have to build relationships and network. But in my opinion to be really successful you have to do it for the love of music and not chase the money in it cuz you wont get far