Intro:

A simple riff on the E string...

E|---2b-(pa| use)-2-3-5-6-5-3----| (repeat from the beginning about 5-6 times)
B|-----------------------------|
G|-----------------------------|
D|-----------------------------|
A|-----------------------------|
E|-----------------------------|

The second guitar plays D5 / Bb5 under this.

Verse:

D           A
 Am I still alive?
                     Bm 
 I think I've got it right...
A
 I'm made of light..
D                   A 
 Before I leave and go away,
                     C
 There's some things I must say,
   Bm 
 Before - before I'm gone...

On "gone", turn on distortion and play A5 / C5 twice.

This same progression repeats for the next verse.

Pre-chorus:

A5   C5  A5                C5
         There's so many possibilities -
A5   C5  A5                       G5
         And I'm just starting to see...

Now go directly to the Chorus:

G5  A5   Bb5       A5                 G5
         It's like the poets always said
    A5   Bb5          A5                 G5
         When life is hanging from a thread
    A5   Bb5               C5            D5
         You can hear that voice in your head....

And now return to the D5 / Bb5 sequence from the intro.

The interlude is just a three-note riff on the E string:

E|----2-3-2-3-2-2-0---|
B|--------------------|
G|--------------------|
D|--------------------|
A|--------------------|
E|--------------------|