Jamie’s sailing off the edge of the world before the ball drops, so here’s an advanced musical surprise. However: Do Not Tune In Before December 22, 2012. I’m serious. This is one present you can’t open early; you’ll jinx it, and then where will we be? Flailing about the universe without a post-apocalypic music bed. Come December 23, here’s a sublime Sonic Byways for those who wait.