Its my 1st bass tab ever so if its wrong im sorry but i think it sounds right
it did when we worked it out at least its what we play

Tune down a step

Key: 

/ - Slide UP to the next note/chord
 - Slide DOWN to the next note/chord


Davidian  Machine Head 

Intro :

F-|-------------------||-------------------------|-------------------------||
C-|-------------------||-------------------------|-------------------------||
G-|-------------------||*------------------------|------------------------*||    X2
D-|-3--------3-3------||-4/6/7-3--------3-3------|-4/76-3---------3-3-----||

                                      listern to find out how many repeats
F-|-----------------------------||-------------------------|-------------------------||
C-|-----------------------------||-------------------------|-------------------------||
G-|-----------------------------||*------------------------|------------------------*||
D-|-4/6/7-3-3-------4/76-3-----||-4---3-3------4/6/7-3----|-4---3-3------4/76-3----||

F-|-----------------------------|-----------------------------|------------|
C-|-----------------------------|-----------------------------|------------|
G-|---8/9------------8/9--------|---97-----------------------|------------|
D-|-4/8/9-3-3------4/8/9-3-3----|-4/76-3---------------------|------------|


   Main Riff (thisa is the main body of the song)
F-|-----------------------------|
C-|-----------------------------|
G-|---------------------5-4-2-5-|
D-|-1--1---11--1--11111-5-4-2-5-|