Get into the holiday spirit with Sampler Claus, a collection of timeless Christmas classics by Frank Sinatra, Mahalia Jackson, Mario Lanza, and more, courtesy of Amazon and Columbia/Legacy Records or get X5's Free Classical Christmas Sampler (or a second version of the same album, HERE).
You may also want to check out A Jolly Christmas From Frank Sinatra ($2.99), which is today's MP3 Album of the Day, or The 99 Most Essential Christmas Masterpieces ($5.00) for nearly six hours of traditional orchestral Christmas music.
You can also find about 30 singles at the top of these two searches: Holiday Music and Christmas Music.