My first tab- Just made a few changes to the other tab.

Lights - Last Thing on Your Mind chords for this acoustic performance 
http://www.youtube.com/watch?v=ieHZRcWJWHs

standard tuning
capo on 4th fret 

Chords relevant to capo.

       C                 G                Em                Cmaj7 
e|----|x-----|    e|----|3-----|    e|----|x-----|    e|----|x-----|
B|----|1-----|    B|----|3-----|    B|----|0-----|    B|----|3-----|
G|----|0-----|    G|----|0-----|    G|----|0-----|    G|----|0-----|
D|----|2-----|    D|----|0-----|    D|----|2-----|    D|----|4-----|
A|----|3-----|    A|----|2-----|    A|----|2-----|    A|----|5-----|
E|----|3-----|    E|----|3-----|    E|----|0-----|    E|----|5-----|
                                                               
Cadd9
e|----|3-----|    
B|----|3-----|      
G|----|0-----|       
D|----|2-----|          
A|----|3-----|        
E|----|0-----|         
 

 intro

G (Strum once)

                G
don't think too hard
                           Cmaj7
if you think it hurts that bad
                 Em
don't talk about it,
                     C
don't let it get you down
                G          Cmaj7
it's only one part of the story
                Em          
just let it go,
                       C    
don't let it bring you down
Cmaj7
now ..

chrous

G                            Cadd9
sing , the last thing on your mind
                      G
the last word on your breath
                        Cmaj7
i'll be the one to keep you
                      G
i'll keep you at your best
                       Cadd9
the last thing on your mind
                        G
cause i don't need your mess
                        Cmaj7
i'll be the one to keep you
             Em 
one disaster less      

                   G
straighten up your tie,
                    Cmaj7         
take the microphone
                 Em  
forget about it,
                     C
don't let it get you down
       Cmaj7    G
now is not the time
                   Cmaj7
and you're not all alone,
                 Em
shut up about it
                     C
no one can bring you down,
Cmaj7
now ..

Chorus:

G                            Cadd9
sing , the last thing on your mind
                      G
the last word on your breath
                    Cmaj7
i'll be the one to keep you
                      G
i'll keep you at your best
                       Cadd9
the last thing on your mind
                        G
cause i don't need your mess
                   Cmaj7
i'll be the one to keep you
             Em      G
one disaster less 

  

G         Em  C    G 
i'll be okay (sustain)      
G        Cmaj7    (sustain)  
i'll be okay
if you ..

G(Strum once)                 Cadd9(strum once)
sing , the last thing on your mind
                      G(Strum once)
the last word on your breath
                        Cmaj7(Strum once)
i'll be the one to keep you   
             Em (Strum once+hold)
one disaster less 

(Last chord either Em or 332000