Rosetta - A Determinism Of Morality Chords & Tabs

Thanks to the user Front_Mod for tabbing out the intro! Here's the whole song according 
to my ears.

Intro

G |---------------------------------|
D |---13-15-13-----------11--13-----|
A |13----------16--13--9-9---11---13|
E |-------------------------------11|

Riff 1 (1:13)

G |--------------------|
D |8--8/11-13-11-------|
A |---------------9--11|
E |--------------------|

Riff 2 (2:03)
[ Tab from: https://www.guitartabs.cc/tabs/r/rosetta/a_determinism_of_morality_btab.html ]
G |10----6--------------|
D |8-----4-----6/8---6/8|
A |------------4/6---4/6|
E |---------------------|

Riff 3 (3:43)

G |-------------------|
D |8----4----6--------|
A |----------------4/6|
E |-------------------|

NOTES:

- This tab only shows you the notes. Listen to the song & figure out the rhythm.
- Getting the tone: Play with pick and roll the tone up.
- Riff 3 speeds up towards the end?
- When guitars get heavy towards the end, you could play riff 3 an octave lower --> Eb tuning?