I don't know about you, but when I think of an underdog, I think of a motely bunch who win in a sports movie, or Rocky in all of those flicks. But mostly I think of the Butthole Surfers and this:
While I could never stake any claim to being well informed about todays music scene, I can admit that I've heard this on the P.A. at work and have tapped my toe to it.
I think the video makes good use of doors, but I'm not sure Jim Morrison would agree.