Song used in the opening credits:
The song used in the opening credits of each episode is an edited version of
"Woke Up This Morning (Chosen One Remix)" by Alabama 3.

This site contains instances where music hasn't been identified. If you are able to identify these please contact me at the email address below and I will add them to the list.

Note: The Region 2 DVDs of Season 1 contain musical variances due to licensing. This website does not cover these variances. As far as I'm aware, this does not occur in the following seasons.