Another new song from the upcoming 'Glee' Christmas album is out.

The track is titled 'Extraordinary Merry Christmas', and sung by Darren Criss (Blaine) and Lea Michele (Rachel). 

Two other songs from the holiday compilation which have already circulated on the web are 'All I Want For Christmas Is You' performed by Amber Riley (Mercedes), and 'Santa Baby', sung by Naya Rivera (Santana). 

In addition to dueting with Lea, Darren also sings with Chris Colfer (Kurt) in 'Let It Snow', whilst Amber and Naya join Lea, Chris and the rest of the New Directions kids in 'Do They Know It's Christmas'.

Listen to Lea Michele's and Darren Criss' cover of 'Extraordinary Christmas', plus Amber Riley covering 'All I Want For Christmas, below: