first blood on my hands bass tab. not 100% right but it will get you through the song.
the bass comes in 0:07 into the song.
 Drop D tuning (DADG low to high)


Intro/chorus
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------111111------------------------------------------|
--000000000000--333333--------------000000000000--333333-222222-------------|

----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------111111------------------------------------------|
--000000000000--333333-------------333333333333--222222--1-1-1-0------------|
verse
---------------------------------------------------------|
---------------------------------------------------------|   2x
--5555--8888-7777-12-12-10-10--5555-8888-7777-5555-------|
---------------------------------------------------------|

chorus
verse
chorus

bridge
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
---220(4x)------0001-0001-0001-0001-0001-0001-0001-0001-0001-0001-0001-0001-|

----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
0001-0001-0001-0001-0001-0001--3330-----------------------------------------|

chorus out

on the ending you do the 0001 on the low D sting a few times to end it right before he 
THERE'S BLOOD!