CMA Country Christmas, a two-hour music celebration, aired on ABC on Dec. 10 with performances by Reba McEntire, Tony Bennett, Dan + Shay, Brett Eldredge, Amy Grant, Diana Krall, Dustin Lynch, Martina McBride, Old Dominion, Brad Paisley, Michael W. Smith, Lindsey Stirling and The Isaacs. If you missed the show, you can catch an encore…