Lemon Demon - Abraham Lincolns Head chords

I didn't write these, they are from http://wiki.illemonati.com.
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[ Tab from: http://www.guitaretab.com/l/lemon-demon/192446.html ]
C Em
F E7 Am C
Em Am Em F
C
I’ve been having nightmares
Em
Every single night,
   F
Of vintage theatergoers
E7               Am
Screaming out in fright;
(Am)
And tall iconic headgear
C
Descending to the floor;
  Em              Am
I tell you Mister Therapist,
  Em               F   (F7)
I can’t take it no more.
Ab              Cm(G bass)
Every night I’m flying
      F7
Every night I’m lead
Eb7            Ab      G         C
In the back of Abraham Lincoln’s head.
C Em
F E7 Am C
Em Am Em F