So yes this just happened.
Suddenly i'm addicted to gravity falls because holy Dj0nt it is awesome. Found out about it because Ken Ashcorp and Glaze's remix. It is so awesome I decided to do this with the intro :)
PS go watch Gravity Falls. It's amazing

Composer: Brad Breeck
Creator of Gravity Falls: Alex Hirsch

download:
https://soundcloud.com/gijsgro/gravity-falls-intro-metal
http://www.mediafire.com/download/6wcv4ilcl6zdw93/gravity+falls+metal.wav

tabs: http://pastebin.com/yYSYPUqZ
They're as accurate as i could get 'em.