It's important to have a clean, consistent artist name as well as URL so that your fans know how to find you and that searches return the best possible results. In the past, if you changed your display name, users and fans may have lost track of you.
At the moment, we are not allowing users to change their display name or URLs but we are working on a new process that will make those type of changes easier in the future. The only way to change your display name and URL currently is to create another artist profile.
If this is your first time creating an account, please make sure your display name and URL are final as you won't have a chance to change them again.