Glass Arm Shattering

Porcupine Tree
Glass Arm Shattering
Deadwing

Here’s how the main guitar part goes. 
The 10\\5 represents sliding down from the 10th fret to the 5th fret.

    E    D   Am       E    D      Am
e|-----------------|--------------------|
B|--9----7----5----|--9----7---10\\5----|
G|--9----7----5----|--9----7-------5----|
D|--9----7----7----|--9----7-------7----|
A|-----------------|--------------------|
E|-----------------|--------------------|

The guitar part comes in during all of the verses, and some of the breaks.

Now, here are the chords for the whole song.

Intro (0:00-1:37)

     E   D   Am    (x6 without main guitar part)
     E   D   Am    (x4 with main guitar part)

Verse (1:37-2:16)

     E   D                   Am    
            Feeling all your touching
     E   D                   Am    
            Feeling all your blood
     E   D                   Am    
            Feeling all your touching
     E   D                   Am    
            Feeling all your love

Break (2:16-2:36)

     E   D   Am    (x2 with main guitar part)

Verse (2:36-3:15)

     E   D                    Am    
            Seen it through a windscreen
     E   D                      Am    
            Seen it through the glass
     E   D               Am    
            Seen it in a bad dream
     E   D                  Am    
            Seen it in your heart

Break (3:15-3:35)

     E   D   Am    (x2 without main guitar part)

Verse (3:35-3:54)

     E   D                   Am    
            Feeling all your touching
     E   D                   Am    
            Feeling all your love

Bridge (3:54-5:13)

     E   F#m   F       | E   F#m   F   G     (x2 with the "sha-la-la" singing)
                                             (x2 without the singing)

Break (5:13-5:33)

     E   D   Am    (x2 without main guitar part)

Verse (5:33-end)

     E   D                   Am    
            Feeling all your touching
     E   D                   Am    
            Feeling all your love