do you have more serious music projects and/or projects that we don't see because they don't match the style you're known for? (not to suggest that your normal music is bad! it's real good!)
when you're only 1 person, it's actually the opposite problem. you have to do everything in your power to make sure everything is different enough. because things will have a tendency to sound like always the same exact person. To actually discard things because they are not close enough to what's already been done, that would be the opposite of what you'd want to do. out here scrambling to grasp on to every drop of different i can possibly muster, you see