"Have Yourself a Merry Little Christmas" Glee and Karaoke for Glee Club
http://youtu.be/C1mitGgrYbE
https://soundcloud.com/gleeoriginalkaraoke/have-yourself-a-merry-little-christmas-glee-cast-karaoke-version
"All I Want for Christmas is You" Karaoke for Glee Club:
http://www.youtube.com/watch?v=ZFHsOtVhR-Q