Because there is only one volume for this song, and it’s MAX VOLUME.
Just kidding, it’s just this version of the vid. You can find one with compressed audio that isn’t so lame as to bleep the swears out. But this one is just awesome in that the bass explodes whatever device it is played through. Use caution when viewing…..
PS: The dance moves: That’s what happened in my living room tonight.

This one does it too:
“Love?” by Strapping Young Lad.
Classic.
This is what’s doing it for me at the moment: