So the techno dance track is "PPK - Resurrection". One of my favorites tracks of all time until now.

I'm guessing that what we heard in the film is either a a traditional Russian song or a song from the late 80's -- either way it means that PPK ripped it off and didn't write that catchy hook themselves. I'm very sad to learn that.

anyone reading this who has no idea what we are talking about, listen here http://www.youtube.com/watch?v=ipE9QFiWhzQ

It's Eduard Artemyev, by many considered "the Russian Vangelis". His work has been truly defining for a handful of Russian sci-fi masterpieces.