Pretty simple, just heavy guitar chords. Listen for the right timing.

/ = slide
~ = let ring

(verse follows this bit as well)

C:||  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |
G:||  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |
C:||  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |
F:||  x~~~   7 / 12 12 12 |  0~~~  5 / 12 12 10 |  0~~~   5 / 12 12 12 |  0~~~  7 / 10 10 10 |
A:||                      |                     |                                            |
D:||                      |                     |                                            |

C:||  12  13 13 13 12 10 |
G:||  12  13 13 13 12 10 |
C:||  12  13 13 13 12 10 |
F:||  14  15 15 15 14 14 |
A:||                     |
D:||                     |

And that's the intro.