It's pointless trying to describe what the song sounds like because there's just so much I love about it. One of the rare instances where the live version is a thousand times better than the one on the album.
(Super meta to show my Twitter and then link to my Tumblr from my blog, but crank the sound and give it a listen.)
(While you're at it, I made a playlist for your pre-winter listening noms. It's on the right sidebar-- just create a free lala profile to hear it.)