Music registration is very important and you need to know where your music needs to be registered so this podcast talks about that. The copyright office does change when it comes to copy writing lyrics, sound recordings, and your melodies so pay attention to that because it has changed and you can only do 10 songs at a time and it cost extra for the extra songs that will be included on an EP or album so go to that website to learn more or call the number. Copyright.gov 55$ currently as of 1/15/2019 and 35 for one song. Your sound recording form can cover all of the composition and lyrics as long as you own everything or have permission to list those people who worked with you on the project. SR Form and PA form. Look those up. Another Source https://www.digitalmusicnews.com/2016/02/15/how-to-get-all-the-royalties-you-never-knew-existed/ You can only be with one PRO (Performance rights organization) ASCAP, BMI, SESAC, GMR as a songwriter.