I saw this great cover on youtube http://www.youtube.com/watch?v=ouXVFiXUa7U and I 
thought it was worth putting a tab together with the intro picking too.

So there it is. Hope you guys enjoy it :)

E------------------------|
B------1---0-------------|
G----0---0---0-------0---|   2x
D--------------3-0-3---3-|
A--3---------------------|
E------------------------|


Verse 1:

C
Its raining today, the blinds are shut.
C
Its always the same.
                Bb
I tried all the games that they play,
                   C
but they made me insane.
C
Life on TV its random,
C
it means nothing to me.
                Bb
Im writing down what I cannot see
                     C
wanna wake up in a dream.


Chorus:

C
Oh, oh.
                     Am
Theyre telling me its beautiful.
                         F
I believe them, but will I ever know
                       C
the world behind my wall.
C
Oh, oh.
                        Am
The sun will shine like never before.
                  F
One day I will be ready to go,
                           C
see the world behind my wall.


Verse 2:

C
Trains in the sky are travelling
C
through fragments of time.
                    Bb
Theyre taking me to parts of my mind
                    C Am
that no one can find.
            C
Im ready to fall.
            G           F                  Am
Im ready to crawl on my knees to know it all.
            C
Im ready to heal.
            G
Im ready to feel.


Chorus:

C
Oh, oh.
                     Am
Theyre telling me its beautiful.
                         F
I believe them, but will I ever know
                       C
the world behind my wall.

C
Oh, oh.
                        Am
The sun will shine like never before.
                  F
One day I will be ready to go,
                           C
see the world behind my wall.

(F  C  Am)
See the world behind my wall x3

             C
I?m ready to fall.
             G           F                   Am
I?m ready to crawl on my knees to know it all.
             C
I?m ready to heal.
             G
I?m ready to feel.


Bridge:

C
Take me there! (oh, oh.)
Am
Take me there!
F              C
Take me there!

C
Oh, oh.
                        Am
They?re telling me it?s beautiful.
                         F
I believe them, but will I ever know
                        C
the world behind my wall.