Regarding the fact that the music seems to speed up around 1:09, I'd imagine that would be to do with how it's been encoded. It doesn't really matter from the perspective of the run time, as the run time is calculated from (number of frames)/(frames per second) rather than by simply timing it.
@ Oddman360: the speed at which the game runs is undoubtedly faster than mine. If you're on PAL, do a direct comparison to see for your self
@ MoxCo: I'm not
that knowledgeable on video game regional coding; I've just done enough speedrunning to know that knowing if you're game is running slower than someone else's that you're comparing your run to is important