Past Is A Grotesque Animal Tab

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The entire song is basically

Gm   Bb   Dm   Fmaj7
 
played either by just bass notes or as palm muted power chords.

The guitar riff that is maintained throughout goes like this:

   Gm
e|-----------------------------------------------------------------|
B|/3-3-------------3-3-------------3-3-------------3-3-------------|
G|-----0-0-------------0-0-------------0-0-------------0-0---------|
D|---------5-5-0-0---------5-5-0-0---------5-5-0-0---------5-5-0-0-|
A|-----------------------------------------------------------------|
E|-----------------------------------------------------------------|
   Bb
e|-----------------------------------------------------------------|
B|-----------------------------------------------------------------|
G|-0-0-3-3---------0-0-3-3---------0-0-3-3---------0-0-3-3---------|
D|---------3-3-0-0(0)------3-3-0-0(0)------------------------------|
A|-----------------------------------------5-5-1-1(1)------5-5-3-3-|
E|-----------------------------------------------------------------|
   Dm
e|-----------------------------------------------------------------|
B|-----------------------------------------------------------------|
G|-0-0-2-2---------0-0-2-2---------0-0-2-2---------0-0-2-2---------|
D|---------3-3-0-0(0)------3-3-0-0(0)------3-3-0-0(0)------3-3-0-0-|
A|(3)--------------------------------------------------------------|
E|-----------------------------------------------------------------|
   Fmaj7
e|-----------------------------------------------------------------|
B|-1-1-------------1-1-------------1-1-------------1-1-------------|
G|-----2-2-------------2-2-------------2-2-------------2-2---------|
D|(0)------2-2-------------2-2-------------2-2-------------2-2-----|
A|-------------3-3(3)----------3-3(3)----------3-3(3)----------3-3-|
E|-----------------------------------------------------------------|

This is two guitars tabbed for one. The notes in brackets are played,
but if you are trying to play both at the same time it's better to leave
them out.