Doom - Life Lock Tabs

OKAY PPL! this is a veeeeery f**kin sweet crust song by one of my favorite bands, DOOM! 
is pretty dam accurate and easy to play so comment if you want. here it goes:

Intro riff A

e|-------------------------------------------------------------|
b|-------------------------------------------------------------|
g|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|-3/9-----9/3-----3/9-----9/3-----3/9-----9/3-----3/9-----9/7-|
E|-1/7-----7/1-----1/7-----7/1-----1/7-----7/1-----1/7-----7/3-|

Riff B

e|-------------------------------------------------------------|
b|-------------------------------------------------------------|
g|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|-999999-9/3-333333-3/9-999999-9/3-333333-3/9-999999----------|
E|-777777-7/1-111111-1/7-777777-7/1-111111-1/7-777777----------|(reapeat, listen to song 
get the timing)

Riff C (not sure on this, i think its almost 99% accurate though)

e|-------------------------------------------------------------|
b|-------------------------------------------------------------|
g|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|777-555-999-777-----777-555-999-777-----777-555-999-777------|
E|555-333-777-555-----555-333-777-555-----555-333-777-555------|

Riff D
(these next two riffs D and F are the ending riffs)
e|-------------------------------------------------------------|
b|-------------------------------------------------------------|
g|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|-7--5--9--7-------7--5--9--7--5~~----------------------------|
E|-5--3--7--5-------5--3--7--5--3~~----------------------------|
  p.m p.m p.m       p.m p.m p.m p.m  -(palm mute all those chords)

Riff F
e|-------------------------------------------------------------|
b|-------------------------------------------------------------|
g|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|---------------------77-55-99-77-55--------------------------|
E|---------------------55-33-77-55-33--------------------------|

AND THAT! is the whole song my friends. ohh here are the lyrics too.

----------------------------------------------
Lifelock

No one can see into my mind,
I can't express my true thoughts to anyone,
Life is like a lock on my mind,
Is death the only key?
----------------------------------------------