Chords used: 
Cm: x35543 
Bb: 688766 
Ab: 466544 
Gm: 355333 or x10033 
Dm/F: 10023x 
Em6: 022020 
Em7: 022030 
Am: x02210 
A7: x02020 
Dm: xx0231 
D7: xx0212 or x30232
[Intro]
Cm - Bb - Ab
Gm - Dm/F - E6 - E7
[Estrofa]
  Cm   Bb     Ab 
I want you to know
     Gm  Dm/F   Em6    Em7 
He's not coming back
Cm     Bb    Ab 
Look into my eyes
Look into my eyes 
    Gm  Dm/F   Em6    Em7 
[Estribillo]
   Am     A7 
So knives out
Dm        D7 
Catch the mouse
Gm 
Don't look down
         Dm/F    Em6     Em7 
Shove it in your mouth
[Estrofa]
   Cm    Bb     Ab 
If you'd been a dog
              Gm      Dm/F   Em6    Em7 
They would've drowned you at birth
Cm     Bb    Ab 
Look into my eyes
         Gm                       Dm/F        Em6    Em7 
It's the only way you'll know I'm telling the truth
[Estribillo]
   Am     A7 
So knives out
Dm       D7 
Cook him up
Gm 
Squash his head
        Dm/F   Em6    Em7 
Put him in the pot
[Instrumental]
Cm - Bb - Ab 
Gm - Dm/F - Em6 - Em7
[Estrofa]
  Cm   Bb     Ab 
I want you to know
     Gm  Dm/F   Em6    Em7 
He's not coming back
     Cm  Bb      Ab 
He's bloated and frozen
Gm                        Dm/F             Em6    Em7 
Still there's no point in letting it go to waste
[Estribillo]
   Am     A7 
So knives out
Dm        D7 
Catch the mouse
Gm 
Squash his head
        Dm/F   Em6    Em7 
Put him in the pot
Em6