http://offroadviking.com/2012/05/the-mammoth-a-cross-rut-films-production/ Music is better than most, shows some good trail sections...good slow-mo stuff... and by the way there is a real short clip of a kid named Andy on a Husky right around the 1:55 mark...
Bit late and just got to it. A worthwile vid, looks like a top bit of dirt for GNCC. Thank you for posting and yes the music was fine.