Hãy mở tài khoản của bạn trên internet. Nhờ một anh/chị em ruột hiểu rõ về việc bạn đang thực hiện để làm một thực tập sinh cho ban nhạc của bạn.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Several people do this, and several people have become famous this way. You need to start YouTube, Google +, Facebook, Soundcloud, Bandcamp, Twitter, and Tumblr accounts. Also hire (or appoint) a web designer for a website or a site on any socializing sites. Get a clued-in sibling to do an internship for your band. Your sibling gets the experience and you get the scheduling and management needed. Win-win all around.