But just as you could recreate that (pixel art) image yourself, there's nothing stopping you from coming up with an already-created song yourself: the necessary

But just as you could recreate that (pixel art) image yourself, there's nothing stopping you from coming up with an already-created song yourself: the necessary information to create that (a piano, say) isn't dead like Miles Davis. Whether something can be re-created manually or not is not really a sane measure of creativity in the work.