They do great Christmas music, but it's more of a rock style than the traditional stuff. Regarding the two songs that I mentioned previously, Metallica played with them.

Revenge of the Sugar Plum Fairy is all so called A Mad Russian's Christmas.

If you go to the Merry Christmas thread in this forum, you can download a video file of someone coordinating his Christmas lights to music. I don't know what the name of the song is, but it does sound like it could be by the TSO.

[Edit]
I found the song. It is the TSO. The name is "Wizards in Winter".
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