Here's a new little tidbit of information aboutThe Twilight Saga: Breaking Dawn - Part 2. Remember the scene with Renesmee (Mackenzie Foy) and Edward (Robert Pattinson) playing the piano for their family - just before the proverbial stuff hits the fan and the Volturi decide to pay them a little visit? Well, it's a well-discussed fact that Pattinson was taught Carter Burwell's score composition…