When you are starting to edit articles in Wikipedia, you have to make sure that your content is biased-free and has credibility. Once you have established your credibility in Wikipedia, it will be helpful for you to rewrite the articles in a better format and with better research work. It will also help you when you make a Wikipedia page for your band. If your band is new and has conducted a few concerts, and albums; you can create a Wikipedia page for it. Do you know Wikipedia guidelines for editing the article?