Here it is: http://www.youtube.com/watch?v=D8ZQOFAce7c
So, for the title, a lot of people think it means: The voice of Markarth. Indeed, Thu'um is the power of the dragon shout, and Markarth Side is where the Imperial College of the Voice has been built.
I love the music :bowdown:
Edit: That's a fake, the real composer is Charly Jouglet, a guy posted it without his permission....