Artist: Thou
Album: Umbilical
Song: Siege Perilous

My guitar is tuned to drop F and Im too lazy to raise it so Im writing this out how I play it. 
Thou is most likely tuned to drop F#.


[Riff 1] 0:13-0:58

f |-------------------------------------------|
D |-------------------------------------------|
Bb|--------------------5--5----5b---5b---5----|
F |--10---10---10---10-3--4----4----4----4----|
C |--8----8----8----8--3--4----4----4----4----|
F |--8----8----8----8--3--4----4----4----4----|


[Riff 2] 0:59-1:44

f |-------------------------------------------------------|   |--------|
D |-------------------------------------------------------|   |--------|
Bb|-------------------------------------------------------|   |--------|
F |-------------------------------------------------6-5-4-|x4 |-3---2--|
C |---------------6-----------------------6-------4-6-5-4-|   |-3---2--|(after last riff)
F |1--1-1-1-1--/8---7~-----1--1-1-1-1--/8---7-7-7---6-5-4-|   |-3---2--|
                                              PM-   -----

[Riff 1a] 1:45-2:30
(same as Riff 1; on 3rd part do this)

f |--------------------------------------------------------------------------|
D |--------------------------------------------------------------------------|
Bb|--------------------------------------------------------------------------|
F |--11----11----11----11--9--8--7----7----7---------------------------------|
C |--11----11----11----11--9--8--7----7----7---------------------------------|
F |--11----11----11----11--9--8--7----7----7---------------------------------|


[Riff 2] 2:31-3:14

f |-------------------------------------------------------|   |--------|
D |-------------------------------------------------------|   |--------|
Bb|-------------------------------------------------------|   |--------|
F |-------------------------------------------------6-5-4-|x4 |-3---2--|
C |---------------6-----------------------6-------4-6-5-4-|   |-3---2--|(after last riff)
F |1--1-1-1-1--/8---7~-----1--1-1-1-1--/8---7-7-7---6-5-4-|   |-3---2--|
                                              PM-   -----

[Riff 3] 3:17-4:02

f |----------------------------------------|
D |----------------------------------------|
Bb|--4----4----4----4----3----3----3----3--|
F |--3----3----3----3----2----2----2----2--|(lots of noise/feedback)
C |--3----3----3----3----2----2----2----2--|
F |--3----3----3----3----2----2----2----2--|


[Riff 4] 4:08-4:50

f |---------------------------------------------------------------------------|
D |---------------------------------------------------------------------------|
Bb|---------------------------------------------------------------------------|
F |---------------------------------------------------------------------------|
C |------------------8------------------------8-------------------------------|
F |--4-3-3-3-3-3-/10---9~-----4-3-3-3-3-3-/10---9-8-6-6h8----8----------------|


[Riff 5] 4:51-5:10

f |---------------------------------------------------------------------------|
D |---------------------------------------------------------------------------|
Bb|---------------------------------------------------------------------------|
F |---------------------------------------------------------------------------|
C |---------------------------------------------------------------------------|
F |-8-8-8-8-8-8-8-8-9-8-6-8-9-8-8-8-8-8-8-8-8-9-8-6-8-9-8---------------------|



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| b   Bend
| x   Dead note
| /   Slide up
| ~   Vibrato
| PM  Palm mute
| h   Hammer-on

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