We might be a little biased, but Billboard firmly believes music is the best part of the holiday season every year.

That includes songs from all time periods, and certainly some of the Christmas canon’s oldest classics — think Bing Crosby’s “White Christmas,” Brenda Lee’s “Rockin’ Around The Christmas Tree” and Andy Williams’ “It’s The Most Wonderful Time of the Year.” Premiere artists of the latter half of the 20th century have also offered up a number of beloved contemporary carols, with special mentions spanning Paul McCartney’s “Wonderful Christmastime,” Wham!’s “Last Christmas” and, of course, Mariah Carey’s incomparable “All I Want for Christmas Is You.”

But with all due respect to the iconic pre-Y2K tracks that have won us over in decades past, the 2000s are also brimming with hol

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