The whole song is based around a main riff it is quite simple
Tunng:DGDGAD (open G)
x=slap the strings with thumb in a percussive style
h=hammer ons
/=slide up
Intro
| D | |
| A | |
| G | |
| D | |
| G | x 4 x 0h5h7x5 x 4 x 0h5h7x5 x 4 x 0h5h7x5 x 4 x |
| D | 5 x x x 0h5 x x x 0h5 x x x 0h5 x x |
| D | |
| A | |
| G | 5/7 5/7 5 |
| D | |
| G | 5/7 5/7 5 |
| D | |
Rest of the Song
| D | |
| A | |
| G | |
| D | |
| G | x 4 x 0h5h7x5 |
| D | 0h5 x x x | repeat until end |
I haven't heard the full recording, just a live verision on youtube, he might add some
bits in but you should be able to get away with it like this