If you want to write a paper about Music, and you don't have a topic, there are a few good places to get ideas. One is from the news articles featured in the RSS feeds in this guide. Current news articles in the field are great ideas for paper topics. You can also look through the table of contents of a journal. If you need help writing your paper, you might benefit from the Academic Support Center.
For help in formatting your paper, you should first know what style the paper should be written in.