For many years my personal antidote to "festive" muzak has been Tom Lehrer's Christmas Carol -- his attempt to capture the true, commercial spirit of Christmas, as celebrated in North America: buy buy buy! Decades old, but like a lot of Lehrer's material, it never seems to go out of style (alas). His songs like Send the Marines and Pollution could’ve been written this year: he is reputed to have abandoned writing when they gave Kissinger the Nobel Peace Prize (because “satire had become obsolete”). That story may be apocryphal, but it must’ve been depressing to have joked in the 1960s about Ronald Reagan going into politics (to huge laughter from his audience) only to live to see the bad B actor become POTUS.
In a similar vein (though I have yet to learn the song), the incomparable David Rovics (who has many great songs which I recommend, on topics from Bradley Manning to the Mavi Marmara, and much more) recently sent his most new seasonal offering If I hear another Chrismas Song I think I'm gonna puke (with the note "this is not a children's song and it is not radio-friendly" but based on my personal history, I would say,