Highly figured you all have seen this, but for those that haven't. There's a bard you come across randomly, this is her singing it.

http://www.youtube.com/watch?v=4z9TdDCWN7g&feature=player_embedded

Thanks, we have an active thread on that lovely rendition.
http://www.gamesas.com/index.php?/topic/1301492-the-dragonborn-comes-song/