Intro:

     Bm       D     A
E|-------------2--------| (you may play the D chord like  e-----2--|
B|-----3------3-------2-| B----3---|
G|----4-4----2-------2--| G---2----|
D|---4--(4)---------2---| D--0-----|
A|--2-------5------0----| A--------|
E|----------------------| E--------|

Verse 1:

    Bm        G         A        F#
E|--------------------------------------|
B|------3--------3--------5--------2----|
G|-----4-4------4-4------6-6------3-3---|
D|----4--(4)---5--(4)---7--(7)---4--(4)-|
A|---2--------5--------7--------4-------| (Play twicE)
E|--------------------------------------|

(Picking)
  Bm            G
BT boat on the way to havana
  A                         F#
i used to make a living man picking the banana
  Bm                    G
Now i'm a guard for the CIA
  A            F#
hooray for the USA

(strumming)
 G                F#
baby baby make me loco
 G                 F#
baby baby make me mambo


    Bm       G      F#
E|---------------------|
B|----3----------------|
G|---4-4-------4-----3-|
D|--4--(4)----5-----4--|
A|-2---------5-----4---| (Play twice)
E|----------3-----2----|

OhOhOhOh  ohoh  ohoho

play again verse 1: (picking again)

Bm               G
sent to spy on a cuban talent show
A                F#
first stop, havana go-go
Bm                        G
used to make a living man picking the banana
A        F#
hooray  for havana


(strumming now)

G                 F#
Baby baby make me mambo
G                 F#
baby baby make me loco


(Picking)
Bm       G    F#
ohohohoh ohoh ohoh (play twice)

And then:
  A5  B5             D5 E5
E|-5-/-7-7-7-7-7-7----5--7-|
B|-5-/-7-7-7-7-7-7----6--8-|
G|-6-/-8-8-8-8-8-8----7--9-|
D|-7-/-9-9-9-9-9-9----7--9-|
A|-7-/-9-9-9-9-9-9----5--7-|
E|-5-/-7-7-7-7-7-7---------|

then repeat verse 1

on the live version at slane castle john then goes to something like:
(quick strumming and some effect that i can't recognise)

   Bm   G   A   F#
E|--10---7---9---6---|
B|--12---8---10--7---|
G|--11---7---9---6---|
D|-------------------|
A|-------------------|
E|-------------------|

play with the above chords the last part:

Bm               G
sent to spy on a cuban talent show
A                F#
first stop, havana go-go
Bm                        G
used to make a living man picking the banana
A        F#
hooray  for havana

G                 F#
Baby baby make me mambo
G                 F#
baby baby make me loco

Bm       G    F#
ohohohoh ohoh ohoh (play twice)