It'd be an interesting experiment to do, not releasing anything as finished on 2013. That way, we'd let everything we compose that year grow and mature. Many artists recommend letting our creations rest for a long while, and then pick them back up with fresh ears and a different state of mind to see if we can still like them then. If there's something we overlooked or forgot to do back when we were composing them.
Not to mention that partaking in the experiment gives us all a chance to polish our intended releases to perfection.
And it'd also mean January 1st 2014 would have TONS UPON TONS OF RELEASES AT ONCE. And all of them would be amazing.