It's Dec. 1, and you know what that means -- Christmas music season is officially upon us! But for every cheerful song, like 'All I Want for Christmas Is You,' there's an equally as awful holiday tune to make you proclaim, "Bah, humbug!" With that thought in mind, we here at AOL Music have rounded up the worst of the worst holiday songs. Think of it as a guide of what to avoid when making that iTunes Christmas playlist. These songs are so bad, they'd have even Santa saying, "Ho! Ho! NO!"