MUSIC QUESTION, from Supernatural season TWO :)?

Question

MUSIC QUESTION, from Supernatural season TWO :)?
what is the music that starts at the recap of No Exit, then is there again during the cement scene near the end of No Exit? I REALLY REALLY WANT TO KNOW :( PLEASE? There weren't any lyrics so I can't tell, I was hoping someone who knew something about music could tell me :D thanks!

Additional Details

i've looked. please just listen to it, if you have it, or watch it online somewhere http://www.putlocker.com/file/2X46P2U4LGOW4G88# it's about 50 seconds in, then again during the cement scene around 35 mins in. thanks! :)

its NOT cold as ice or Surrender, sorry

Answer 1

Deep Purple - Smoke on the Water

http://www.youtube.com/watch?v=zUwEIt9ez7M

Answer 2

If it's the music I think it is then I'm pretty sure it's written for the show. It's not from an actual song. It's used in other episodes as well but I can't think of which ones off the top of my head!

Answer 3

Google it or try in youtube..