It’s one for the money, two for the show, and tree to get ready. Tonight’s the lighting of the Rockefeller Center Christmas tree, an annual ceremony that only in the past decade or so has been deemed worthy of being televised. But here it is, with not only the visuals of the lights, but the sounds of the holidays – as delivered in song by Tony Bennett, Josh Groban, Dolly Parton, Garth Brooks, and others.