I downloaded Amazon's 99 Most Essential Christmas Masterpieces for $2. That's 99 tracks for $2. Many classics in there but all played by classical orchestras, choirs, etc. I found it definitely worth the price.

Axiom M80s + QS8s + VP180 <-- Pioneer VSX-1120-K <-- Squeezebox Touch / XBox360 / Oppo BDP-93